OCR GCSE 9-1 Gateway Chemistry QUIZ Topic C4 "Predicting & identifying reactions & products" (HT)

Which statement is TRUE about the modern PERIODIC TABLE? [pt-14]
1. the elements are laid out in order of atomic number
2. elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-15]
1. the elements are laid out in order of relative atomic mass
2. elements in the same group have the same number of electrons in the outer shell or energy level
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-16]
1. the elements are laid out in order of relative atomic mass
2. elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. elements in the same period use the same number of shells (energy levels)
4. most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-17]
1. the elements are laid out in order of relative atomic mass
2. elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. most elements are metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-18]
1. the elements are laid out in order of number of neutrons
2. elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
3. from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
4. the elements were originally laid out in order of atomic mass
Which of the elements shown has 1 outer electron? [pt-19]
1. element Q
2. element R
3. element Z
4. element G
Which of the elements shown is a Halogen? [pt-20]
1. element Q
2. element R
3. element Z
4. element G
Which of the elements shown is an Alkali Metal? [pt-21]
1. element Q
2. element R
3. element Z
4. element G
Which of the elements shown would be chemically the most similar? [pt-22]
1. elements Q and R
2. elements R and A
3. elements M and X
4. elements G and M
Which of the elements shown are in the same period? [pt-23]
1. elements Q and R
2. elements R and A
3. elements M and X
4. elements G and M
Which of the elements shown are both likely to be metals? [pt-24]
1. elements Z and Y
2. elements Q and R
3. elements G and E
4. elements T and W
Which of the elements shown are both Halogen non-metals with 7 outer electrons? [pt-25]
1. elements Z and Y
2. elements Q and R
3. elements G and E
4. elements T and W
Which of the elements shown are both in Group 3? [pt-26]
1. elements Z and Y
2. elements Q and E
3. elements G and E
4. elements D and Y
Which of the elements shown are both Noble Gases? [pt-27]
1. elements Z and T
2. elements Q and R
3. elements G and E
4. elements T and W
Where in the Periodic Table are you MOST LIKELY to find an element that is a shiny solid and reacts fast with cold water? [pt-28]
1. Group 1
2. Group 7
3. Group 0
4. Transition Series
The Atomic Number of an element is? [pt-29]
1. the number of neutrons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of protons in the nucleus
4. the number of electrons in the outer shell
The Mass Number of an element is? [pt-30]
1. the number of neutrons in the nucleus
2. the sum of the protons and neutrons in the nucleus
3. the number of protons in the nucleus
4. the number of electrons in the outer shell
Where in the Periodic Table are you MOST LIKELY to find an element that forms an alkaline hydroxide in water? [pt-31]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a soft silvery solid? [pt-32]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that readily forms an M⁺ ion? [pt-33]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is rapidly oxidised (corroded) in air? [pt-34]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a low melting solid and a good conductor of heat? [pt-35]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Four electron arrangements are given below.
Which is of an element in Group 5 of the Periodic Table? [pt-37]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is a Halogen? [pt-38]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is a Noble Gas? [pt-39]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is an Alkali Metal? [pt-40]
1. 2.5
2. 2.7
3. 2.8.8
4. 2.8.8.1
Four electron arrangements are given below.
Which is of a Noble Gas? [pt-41]
1. 2
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Period 1 element? [pt-42]
1. 2
2. 2.3
3. 2.8.7
4. 2.8.8.1
Four electron arrangements are given below.
Which is of a Period 2 element? [pt-43]
1. 2
2. 2.3
3. 2.8.6
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Group 3 element? [pt-44]
1. 2
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Group 5 element? [pt-45]
1. 2
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Period 3 element? [pt-46]
1. 2.1
2. 2.3
3. 2.8.5
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Group 2 element? [pt-47]
1. 2
2. 2.3
3. 2.8.6
4. 2.8.8.2
Four electron arrangements are given below.
Which is of a Period 4 element? [pt-48]
1. 2
2. 2.4
3. 2.2
4. 2.8.8.2
Where in the Periodic Table are you MOST LIKELY to find a solid element that is a poor conductor of heat and electricity? [pt-51]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a very reactive non-metal? [pt-52]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that shows little reaction with other elements? [pt-54]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a colourless gas? [pt-55]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that has a full outer electron shell? [pt-56]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is used to provide an 'inert' atmosphere in welding? [pt-58]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a hard tough metal? [pt-60]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a high melting solid? [pt-61]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that forms a variety of coloured compounds? [pt-62]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that shows catalytic properties? [pt-63]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a strong dense solid? [pt-64]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that forms a coloured oxide used to stain glass windows? [pt-65]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Which of the following elements is a liquid non-metal at room temperature and pressure? [pt-66]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a solid non-metal at room temperature and pressure? [pt-67]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a solid metal at room temperature and pressure? [pt-68]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a liquid metal at room temperature and pressure? [pt-69]
1. bromine
2. carbon
3. copper
4. mercury
Which of the following elements is a gas at room temperature and pressure? [pt-70]
1. nitrogen
2. sulphur
3. chromium
4. tin
Which of the following elements is a yellow solid non-metal at room temperature and pressure? [pt-71]
1. carbon
2. sulphur
3. chromium
4. tin
Which of the following elements is a shiny solid at room temperature and pressure? [pt-72]
1. carbon
2. sulphur
3. nickel
4. phosphorus
The diagram shows an outline of parts of the Periodic Table.
In which section will you find the most reactive metals? [pt-73]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of parts of the Periodic Table.
In which section will you find the Transition Metals? [pt-74]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of parts of the Periodic Table.
In which sections will you find most of the non-metals? [pt-75]
1. section 3 only
2. section 3 and 4
3. section 4 and 5
4. section 5 only
The diagram shows an outline of parts of the Periodic Table.
In which section will you find the Noble Gases? [pt-76]
1. section 1
2. section 3
3. section 4
4. section 5
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-77]
1. 'light' and 'caloric' are neither elements or compounds
2. sulphur, phosphorus and charcoal are 'acid making elements' because they react with water to form acids
3. not all the 'metallic elements' listed are true elements
4. some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-78]
1. 'light' and 'caloric' are an element and a compound respectively
2. sulphur, phosphorus and charcoal are 'acid making elements' because they form oxides which dissolve in water to form acids
3. not all the 'metallic elements' listed are true elements
4. some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-79]
1. 'light' and 'caloric' are an element and a compound respectively
2. sulphur, phosphorus and charcoal are acid making elements because they react with water to form acids
3. all the 'metallic elements' listed are true elements
4. some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-80]
1. 'light' and 'caloric' are an element and a compound respectively
2. sulphur, phosphorus and charcoal are acid making elements because they react with water to form acids
3. not all the 'metallic elements' listed are true elements
4. none of the 'earthy elements' really are elements
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-83]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Alkali Metals are missing
3. they were set out in order of atomic mass (atomic weight)
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement concerning Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-87]
1. the group known as the Alkali Metals are missing
2. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl
3. in the modern Periodic Table they are set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be XO3
Which statement is TRUE about the modern Periodic Table? [pt-92]
1. a group is a complete horizontal row of similar elements
2. a period is a vertical column of elements of different chemical character
3. elements behave in the same way when the same number of electron shells are used
4. about a 1/4 of the elements are non-metals
Which statement is TRUE about the modern Periodic Table? [pt-93]
1. a group is a vertical column of elements of similar chemical character
2. a period is a vertical column of elements of different chemical character
3. elements behave in the same way when the same number of electron shells are used
4. about a 3/4 of the elements are non-metals
Which statement is TRUE about the modern Periodic Table? [pt-94]
1. a group is a vertical column of very different elements
2. a period is a complete horizontal row of elements of different chemical character
3. elements behave in the same way when the same number of electron shells are used
4. about a 1/4 of the elements are metals
Which statement is TRUE about the modern Periodic Table? [pt-95]
1. a group is a vertical column of very different elements
2. a period is a complete horizontal row of elements of similar chemical character
3. elements behave in the same way when the outer shell contains the same number of electrons
4. about a 1/4 of the elements are metals
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-96]
1. he thought the 'earthy elements' were elements because many reacted with acids to form salts
2. sulphur, phosphorus and charcoal are acid making elements because they react with water to form acids
3. not all the 'metallic elements' listed are true elements
4. all of the 'earthy elements' are compounds
Which of the following is likely to be a Group 7 element? [pt-97]
1. a very toxic and reactive green gas
2. grey tough metal forming coloured compounds
3. readily corroded silvery solid that fizzes with water
4. an unreactive colourless gas
Which of the following is likely to be a Transition Metal? [pt-98]
1. a very toxic and reactive green gas
2. grey tough metal forming coloured compounds
3. readily corroded silvery solid that fizzes with water
4. an unreactive colourless gas
Which of the following is likely to be an Alkali Metal? [pt-99]
1. a very toxic and reactive green gas
2. grey tough metal forming coloured compounds
3. readily corroded silvery solid that fizzes with water
4. an unreactive colourless gas
Which of the following is likely to be a Noble Gas? [pt-100]
1. a very toxic and reactive green gas
2. low boiling liquid forming an unreactive gas
3. pale yellow reactive gas
4. an unreactive colourless gas
Which of the following is likely to be a Transition Metal? [pt-101]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
Which of the following is likely to be an Alkali Metal? [pt-102]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
Which of the following is likely to be a Halogen? [pt-103]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
Which of the following is likely to be in Group 0 (8)? [pt-104]
1. orange high melting solid and good electrical conductor
2. soft low melting solid which is a good conductor of heat
3. very reactive red liquid
4. a gas used to fill the bulb of a lamp to stop the filament burning out
The 'Alkali Metals' are all in the same Group of the Periodic Table because they are all? [pt-105]
1. have one electron in the outer shell
2. react fast with water to form an alkaline hydroxide
3. soft silvery solids
4. form an ionic chloride
The 'Halogen' non-metals are all in the same Group of the Periodic Table because they all? [pt-106]
1. form coloured vapours
2. have seven electrons in the outer shell
3. form ionic compounds with metals
4. react rapidly with hydrogen by sharing one electron
The 'Noble Gas' non-metals are all in the same Group of the Periodic Table because they all? [pt-107]
1. very unreactive elements
2. colourless gases
3. have a full outer shell of electrons
4. have a full inner shell of electrons
The 'Transition Metals' are all chemically similar because they? [pt-108]
1. are all strong metals due to strong chemical bonding
2. all have several free electrons per atom in the crystal strucure
3. are not very reactive metals
4. have similar electron structures
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-109]
1. the Noble Gas 'group' are missing
2. not all the halogens are correctly placed together in the same 'group'
3. not all the Alkali Metals are correctly placed together in the same 'group'
4. transition metals are at least separated from non-metallic elements
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-111]
1. some of the Noble Gas 'group' are included
2. not all the halogens are correctly placed together in the same 'group'
3. all the known Alkali Metals are correctly placed together in the same 'group'
4. transition metals are at least separated from non-metallic elements
Which will be the most likely charge on the ion formed by one atom of a Group 1 Alkali Metal? [pt-1]
1. +
2. 2+
3. -
4. 2-
Which will be the charge on the ion formed by one atom of a Group 2 metal? [pt-2]
1. +
2. 2+
3. -
4. 2-
Which will be the charge on the ion formed by one atom of a Group 7 Halogen? [pt-3]
1. +
2. 2+
3. -
4. 2-
Which will be the charge on the ion formed by one atom of a Group 6 non-metal? [pt-4]
1. +
2. 2+
3. -
4. 2-
Which electron arrangements is that of a Halogen? [pt-5]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which of the above electron arrangements corresponds to the most reactive metal? [pt-6]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which of the above electron arrangements corresponds to a non-metallic element? [pt-7]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which electron arrangement corresponds to the first element on period 2 of the Periodic Table? [pt-8]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which electron arrangement corresponds to the most reactive non-metallic element of the Periodic Table? [pt-9]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which of the above electron arrangements corresponds to a metal in Group 3 of the Periodic Table? [pt-10]
1. electron arrangement W
2. electron arrangement X
3. electron arrangement Y
4. electron arrangement Z
Which electron arrangement corresponds to two elements in the same Group of the Periodic Table? [pt-11]
1. electron arrangements W and X
2. electron arrangemens X and Z
3. electron arrangements Y and Z
4. electron arrangements W and Z
Which electron arrangement corresponds to two very reactive metallic elements of the Periodic Table? [pt-12]
1. electron arrangements W and X
2. electron arrangemens X and Z
3. electron arrangements Y and Z
4. electron arrangements W and Z
Which electron arrangement corresponds to two elements on the same period of the Periodic Table? [pt-13]
1. electron arrangements W and X
2. electron arrangemens X and Z
3. electron arrangements Y and Z
4. electron arrangements W and Z
Where in the Periodic Table are you MOST LIKELY to find an element that exists as X₂ (diatomic) molecules? [pt-36]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that readily forms an X^- ion? [pt-49]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a dark red liquid? [pt-50]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that readily forms colourless ionic compounds with metals? [pt-53]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that exists as individual gaseous atoms? [pt-57]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is used to help stop bulb filaments from burning out? [pt-59]
1. Group 1
2. Group 7
3. Group 0 (8)
4. Transition Series
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-82]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Noble Gases are missing
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-83]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Alkali Metals are missing
3. they were set out in order of atomic mass (atomic weight)
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-84]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
2. the group known as the Alkali Metals are missing
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be XO2
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-85]
1. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl4
2. the group known as the Halogens are missing
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-86]
1. the group known as the Alkali Metals are missing
2. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl4
3. they were set out in order of atomic number
4. If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its oxide would be X2O3
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were Iodine (53) and Tellurium (52) not placed in this atomic mass order? [pt-88]
1. an error was made in the atomic mass measurement
2. not enough chemical data was known about iodine at that time
3. not enough chemical data was known about tellurium at that time
4. iodine is chemically more like bromine (35) and chlorine (17) than sulphur (16) or selenium (34)
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were Iodine (53) and Tellurium (52) not placed in this atomic mass order? [pt-89]
1. tellurium (52) is chemically more like sulphur (16) and selenium (34) than chlorine (17) or bromine (35)
2. an error was made in the atomic mass measurement
3. not enough chemical data was known about iodine at that time
4. not enough chemical data was known about tellurium at that time
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were potassium (19) and Argon (18) not placed in this atomic mass order? [pt-90]
1. not enough chemical data was known about argon at that time
2. argon (18) is chemically more like neon (10) and krypton (36) than sodium (11) or rubidium (37)
3. not enough chemical data was known about potassium at that time
4. an error was made in the atomic mass measurement
Historically, in older Periodic Tables, the elements were laid out in order of atomic mass (atomic weight). Why were potassium (19) and Argon (18) not placed in this atomic mass order? [pt-91]
1. not enough chemical data was known about argon at that time
2. not enough chemical data was known about potassium at that time
3. potassium (19) is chemically more like sodium (11) and rubidium (37) rather than neon (10) or krypton (36)
4. an error was made in the atomic mass measurement
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-110]
1. some of the Noble Gas 'group' are included
2. all the known halogens are correctly placed together in the same 'group'
3. not all the Alkali Metals are correctly placed together in the same 'group'
4. transition metals are at least separated from non-metallic elements
In 1866 the English chemist John Newlands proposed a 'Periodic Table' based on the 'Law of octaves'. This meant that every 8th element was very similar and placed in the same 'group'. Which statement is TRUE concerning his 'element classification'? [pt-112]
1. some of the Noble Gas 'group' are included
2. not all the halogens are correctly placed together in the same 'group'
3. not all the Alkali Metals are correctly placed together in the same 'group'
4. transition metals are not always separated from non-metallic elements
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-1]
1. they become more reactive
2. the atoms get smaller
3. the melting point gets higher
4. the boiling point gets higher
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-2]
1. they become less reactive
2. the atoms get larger
3. the melting point gets higher
4. the boiling point gets higher
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-3]
1. they become less reactive
2. the atoms get smaller
3. the melting point gets lower
4. the boiling point gets higher
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-4]
1. they become less reactive
2. the atoms get smaller
3. the melting point gets higher
4. the boiling point gets lower
Hydrochloric acid is a strong acid that forms chloride salts with alkali metal hydroxides. The acid's pH is likely to be? [gp1-5]
1. pH 1
2. pH 7
3. pH 10
4. pH 13
The salt sodium chloride is soluble in water and the pH of its aqueous solution is likely to be? [gp1-6]
1. pH 1
2. pH 7
3. pH 10
4. pH 13
Sodium carbonate solution is a weak alkali, the pH of its aqueous solution is likely to be? [gp1-7]
1. pH 1
2. pH 7
3. pH 10
4. pH 13
Sodium hydroxide is a strong alkali, the pH of its aqueous solution is likely to be? [gp1-8]
1. pH 1
2. pH 7
3. pH 10
4. pH 13
Which is TRUE about the Group 1 Alkali Metals? [gp1-17]
1. they have unusually low densities
2. they have unusually high melting points
3. they are typical hard metals
4. they are poor conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-18]
1. they have unusually high densities
2. they have unusually low melting points
3. they are typical hard metals
4. they are poor conductors of electritcity
Which is TRUE about the Group 1 Alkali Metals? [gp1-19]
1. they have unusually high densities
2. they have unusually high melting points
3. they are unusually soft metals
4. they are poor conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-20]
1. they have unusually high densities
2. they have unusually high melting points
3. they are typical hard metals
4. they are good conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-21]
1. they have unusually high densities
2. they have unusually high melting points
3. they are typical hard metals
4. they are good conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-22]
1. they have unusually high densities
2. they have typically high boiling points
3. they are typical hard metals
4. they are poor conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-23]
1. when pure they are silver solids
2. they have untypically low boiling points
3. they are untypical hard metals
4. they are poor conductors of electricity because they only have one free outer electron in the metal lattice
Which is TRUE about the Group 1 Alkali Metals? [gp1-24]
1. when pure they are colourless solids
2. they have untypically low boiling points
3. they are kept under oil because of their reactivity to oxygen
4. they are poor conductors of electricity because they only have one free outer electron in the metal lattice
When an alkali metal reacts with the non-metal chlorine, which statement is TRUE about the compound formed? [gp1-25]
1. it will have a high melting point
2. it will be a green solid
3. it will not dissolve in water
4. it will be a covalent compound
When an alkali metal reacts with the non-metal chlorine, which statement is TRUE about the compound formed? [gp1-26]
1. it will have a low melting point
2. it will be a white solid or colourless crystals
3. it will not dissolve in water
4. it will be a covalent compound
When an alkali metal reacts with the non-metal chlorine, which statement is TRUE about the compound formed? [gp1-27]
1. it will have a low melting point
2. it will be a pale green solid
3. it will dissolve in water to give a neutral solution of pH 7
4. it will be a covalent compound
When an alkali metal reacts with the non-metal oxygen, which statement is TRUE about the compound formed? [gp1-28]
1. it will have a low melting point
2. it will be a pale green solid
3. it will dissolve in water to give an alkaline solution of pH 14
4. it will be a covalent compound
When an alkali metal reacts with the non-metal oxygen, which statement is TRUE about the compound formed? [gp1-29]
1. it will have a low melting point
2. it will be a pale green solid
3. it will dissolve in water to give a neutral solution of pH 7
4. it will be an ionic compound
Which is TRUE about the reaction of lithium and water containing universal indicator? [gp1-30]
1. the products are lithium hydroxide and hydrogen
2. the reaction is fast and endothermic
3. the indicator turns from neutral green (pH 7) to strongly acid red (pH 1)
4. the gas formed causes a glowing splint to re-ignite
Which is TRUE about the reaction of lithium and water containing universal indicator? [gp1-31]
1. the products are lithium oxide and hydrogen
2. the reaction is fast and exothermic
3. the indicator turns from acid red (pH 3) to neutral green (pH 7)
4. the metal sinks but carries on reacting
Which is TRUE about the reaction of potassium and water containing universal indicator? [gp1-32]
1. the products are potassium oxide and hydrogen
2. the reaction is fast and endothermic
3. the indicator turns from neutral green (pH 7) to strongly alkaline purple (pH 14)
4. the metal sinks but carries on reacting
Which is TRUE about the reaction of lithium and water containing universal indicator? [gp1-33]
1. the products are lithium oxide and hydrogen
2. the reaction is fast and endothermic
3. the indicator turns from neutral green (pH 7) to weakly alkaline dark green (pH 8)
4. the gas formed gives a pop with a lit splint
Which is TRUE about the reaction of potassium and water containing universal indicator? [gp1-34]
1. the reaction is so exothermic the gas formed burns with a lilac flame
2. the products are potassium hydroxide and oxygen
3. the indicator turns from neutral green (pH 7) to weakly alkaline dark green (pH 8)
4. the gas formed re-ignites a glowing splint
Which of the elements listed is an Alkali Metal? [gp1-35]
1. element X
2. element D
3. element E
4. element W
Which of the elements listed is an Alkali Metal? [gp1-36]
1. element A
2. element J
3. element Z
4. element G
Given the equation ...
2Li_(X) + 2H₂O_(?) ==> 2LiOH_(?) + H_2(?)
Which state symbol should be where (X) is? [gp1-37]
1. (s)
2. (l)
3. (aq)
4. (g)
Given the equation ...
2Na_(?) + 2H₂O_(X) ==> 2NaOH_(?) + H_2(?)
Which state symbol should be where (X) is? [gp1-38]
1. (s)
2. (l)
3. (aq)
4. (g)
Given the equation ...
2K_(?) + 2H₂O_(?) ==> 2KOH_(X) + H_2(?)
Which state symbol should be where (X) is? [gp1-39]
1. (s)
2. (l)
3. (aq)
4. (g)
Given the equation ...
2Rb_(?) + 2H₂O_(?) ==> 2RbOH_(?) + H_2(X)
Which state symbol should be where (X) is? [gp1-40]
1. (s)
2. (l)
3. (aq)
4. (g)
In the Periodic Table a vertical column of similar elements is called a? [gp1-45]
1. Group
2. Period
3. Series
4. Block
In the Periodic Table a complete horizontal row elements of varying physical and chemical character is called a? [gp1-46]
1. Group
2. Period
3. Series
4. Block
In the Periodic Table part of a horizontal row elements of similar physical and chemical character is called a? [gp1-47]
1. Group
2. Period
3. Series
4. Block
In the Periodic Table, the elements were originally laid out in order of? [gp1-48]
1. atomic number
2. reactivity
3. atomic radius
4. atomic mass
In the modern Periodic Table, the elements are now laid out in order of? [gp1-49]
1. atomic number
2. reactivity
3. atomic radius
4. atomic mass
Which element is very similar physically and chemically to potassium? [gp1-50]
1. chlorine
2. sodium
3. helium
4. sulphur
Which is a metal that floats on, and reacts with, water and the product turns universal indicator purple? [gp1-51]
1. iron
2. bromine
3. lithium
4. helium
The element sodium is stored under oil because it? [gp1-52]
1. floats on water
2. is less dense than oil
3. cannot react with air
4. reacts rapidly with water
When sodium reacts with water, the products are? [gp1-53]
1. sodium hydroxide and hydrogen
2. sodium hydroxide and oxygen
3. sodium hydride and oxygen
4. sodium oxide and hydrogen
Which element is a liquid non-metal at room temperature and pressure? [gp1-61]
1. bromine
2. carbon
3. copper
4. mercury
Which element is a solid non-metal at room temperature and pressure? [gp1-62]
1. bromine
2. carbon
3. copper
4. mercury
Which element is a solid metal at room temperature and pressure? [gp1-63]
1. bromine
2. carbon
3. copper
4. mercury
Which element is a liquid metal at room temperature and pressure? [gp1-64]
1. bromine
2. carbon
3. copper
4. mercury
Which element is a gas at room temperature and pressure? [gp1-65]
1. nitrogen
2. sulphur
3. chromium
4. tin
Which element is a yellow solid non-metal at room temperature and pressure? [gp1-66]
1. carbon
2. sulphur
3. chromium
4. tin
Which element is a shiny solid at room temperature and pressure? [gp1-67]
1. carbon
2. sulphur
3. nickel
4. phosphorus
The diagram shows an outline of part of the Periodic Table in five sections. In which section will you find the most reactive metals? [gp1-68]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of part of the Periodic Table in five sections. In which section will you find the Transition Metals? [gp1-69]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of part of the Periodic Table in five sections. In which section will you find most of the non-metals? [gp1-70]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of part of the Periodic Table in five sections. In which section will you find the Noble Gases? [gp1-71]
1. section 1
2. section 3
3. section 4
4. section 5
The diagram shows an outline of part of the Periodic Table in five sections. In which section will you find hydrogen? [gp1-72]
1. section 5
2. section 3
3. section 4
4. section 2
Complete the equation: [gp1-73]
sodium + water ==> ? + ?
1. sodium hydroxide + hydrogen
2. sodium oxide + hydrogen
3. sodium hydride + oxygen
4. sodium hydroxide + oxygen
Complete the equation: [gp1-74]
potassium + water ==> ? + ?
1. potassium oxide + hydrogen
2. potassium hydroxide + hydrogen
3. potassium hydride + oxygen
4. potassium hydroxide + oxygen
Which is TRUE about Alkali Metals? [gp1-75]
1. they are very hard
2. lumps of them are not easily shaped
3. when freshly cut they are shiny
4. they have low boiling points
Which is TRUE about Alkali Metals? [gp1-76]
1. they are very hard
2. they have high melting points
3. when freshly cut they are dull looking
4. lumps of them are easily shaped
Which is TRUE about the compound formed on combining an Alkali Metal with the Halogen element chlorine to form the metal chloride? [gp1-77]
1. is an ionic compound
2. soluble to form a pale green solution in water
3. the solid conducts electricity
4. the solution in water does not conduct electricity
Which is TRUE about the compound formed on combining an Alkali Metal with the Halogen element chlorine to form the metal chloride? [gp1-78]
1. is a covalent compound
2. soluble to form a colourless solution in water
3. the solid conducts electricity
4. the solution in water does not conduct electricity
Which is TRUE about the compound formed on combining an Alkali Metal with the Halogen element chlorine to form the metal chloride? [gp1-79]
1. is a covalent compound
2. forms a pale green solution in water
3. the solid does not conduct electricity, but the molten salt does
4. it has a low melting point
Which is TRUE about the compound formed on combining an Alkali Metal with the Halogen element chlorine to form the metal chloride? [gp1-80]
1. is a covalent compound
2. insoluble in water
3. the solid conducts electricity
4. the solution of it in water conducts electricity
Which is TRUE about the compound formed on combining an Alkali Metal with the element oxygen to form the metal oxide? [gp1-81]
1. soluble to form a colourless solution in water
2. has a low melting point
3. the solid conducts electricity
4. the solution in water does not conduct electricity
Which is TRUE about the compound formed on combining an Alkali Metal with the element oxygen to form the metal oxide? [gp1-82]
1. it is insoluble in water
2. it has a high melting point
3. the solid conducts electricity
4. the solution in water does not conduct electricity
Which is TRUE about the compound formed on combining an Alkali Metal with the element oxygen to form the metal oxide? [gp1-83]
1. it is insoluble in water
2. it has a low boiling point
3. it is a white solid
4. the solid conducts electricity
Which is TRUE about the compound formed on combining an Alkali Metal with the element oxygen to form the metal oxide? [gp1-84]
1. it is insoluble in water and floats on the surface
2. the solid is a good conductor of electricity
3. it is a pale yellow solid with a low melting point
4. when molten or dissolved in water, it will conduct electricity
Which is solid metal? [gp1-93]
1. aluminium
2. hydrogen
3. sulphur
4. bromine
Which is gaseous non-metal? [gp1-94]
1. aluminium
2. hydrogen
3. sulphur
4. bromine
Chlorine reacts with potssium to form potassium chloride. Which is TRUE about it? [gp1-95]
1. green insoluble solid
2. white insoluble solid
3. white soluble solid
4. green insoluble solid
Potassium hydroxide dissolves in water to form? [gp1-96]
1. potassium oxide
2. hydrogen gas
3. a salt solution
4. an alkaline solution
Most metallic elements are found in the central block and in? [gp1-97]
1. Groups 1 and 2
2. Groups 3 and 4
3. Groups 5 and 6
4. Groups 7 and 0 (or 8)
The elements in Group 1 of the Periodic Table are called the? [gp1-98]
1. Alkaline Earth Metals
2. Alkali Metals
3. Transition Metals
4. Reactive Metals
[gp1-9] Which three quantities a, b and c are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a Li_(s) + b O_2(g) ==> c Li₂O_(s)
1. 4 1 2
2. 2 1 2
3. 4 2 1
4. 2 2 1
[gp1-10] Which four quantities a, b, c and d are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a Na_(s) + b H₂O_(l) ==> c NaOH_(aq) + d H_2(g)
1. 2 1 2 1
2. 2 2 2 1
3. 1 2 1 2
4. 1 1 1 2
[gp1-11] Which five quantities a, b, c, d and e are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a Na₂CO_3(s) + b HCl_(aq) ==> c NaCl_(aq) + d H₂O_(l) + e CO_2(g)
1. 1 4 4 2 2
2. 2 2 4 2 2
3. 1 2 2 1 1
4. 2 2 2 1 1
[gp1-12] Which three quantities a, b and c are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a Na_(s) + b Cl_2(g) ==> c NaCl_(s)
1. 1 1 1
2. 1 2 1
3. 1 1 1
4. 2 1 2
[gp1-13] Which four quantities a, b, c and d are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a NaOH_(aq) + b HCl_(aq) ==> c NaCl_(aq) + d H₂O_(l)
1. 1 1 1 1
2. 1 2 2 1
3. 2 1 1 2
4. 1 2 2 1
[gp1-14] Which four quantities a, b, c and d are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a Li₂O_(s) + b HCl_(aq) ==> c LiCl_(aq) + d H₂O_(l)
1. 1 2 1 1
2. 1 2 2 1
3. 1 1 1 1
4. 1 2 1 2
[gp1-15] Which four quantities a, b, c and d are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a KOH_(aq) + b H₂SO_4(aq) ==> c K₂SO_4(aq) + d H₂O_(l)
1. 1 2 1 1
2. 1 1 1 1
3. 2 1 1 2
4. 2 2 1 2
[gp1-16] Which four quantities a, b, c and d are required to balance the equation? (Note: 1's are not written in the equation BUT they are needed in the 'balancing ratio thinking'.)
a Na₂O_(s) + b H₂SO_4(aq) ==> c Na₂SO_4(aq) + d H₂O_(l)
1. 1 2 1 2
2. 2 2 2 1
3. 2 1 2 2
4. 1 1 1 1
The formula of sodium hydroxide is? [gp1-41]
1. NaOH
2. Na₂O
3. Na(OH)₂
4. Na₂O₂
The formula of lithium oxide is? [gp1-42]
1. Li₂O₂
2. Li₂O
3. LiO
4. LiO₂
The formula of potassium chloride is? [gp1-43]
1. K₂Cl
2. KCl₂
3. KCl
4. KCl₃
The Group 1 Alkali Metals behave in a very similar way because they all have? [gp1-44]
1. low melting points
2. free electrons in their structure
3. the ability to easily form a positive ion in a reaction
4. one electron in the outer shell
Group 1 Alkali Metals become more reactive down the Group, as the atomic number increases, because? [gp1-54]
1. they can gain another outer elecron more easily as the atom gets smaller
2. they can lose the outer elecron more easily as the atom gets bigger
3. they can share electrons more easily as the atom gets bigger
4. they can share electrons more easily as the atom gets smaller
Which is the electron arrangement of an Alkali Metal? [gp1-55]
1. 2.8.7
2. 2.8
3. 2.8.1
4. 2.8.2
What is the charge on the ion formed by an Alkali Metal? [gp1-56]
1. -
2. 2-
3. 2+
4. +
Which is the electron arrangement of the most reactive metal? [gp1-57]
1. 2.8.8.1
2. 2.1
3. 2.2
4. 2.8.8.2
Caesium is below potassium in the Periodic Table. Compared to potassium, this means caesium will? [gp1-58]
1. corrode less quickly
2. be more reactive
3. not have to be stored under oil
4. be higher melting
Sodium and potassium are in the same Group of the Periodic Table because they both? [gp1-59]
1. react fast with water
2. have the same formula for a chloride salt
3. have the same number of outer electrons
4. soft silvery solids
Sodium and potassium would be expected to chemically very similar because they both? [gp1-60]
1. react fast with water
2. have the same formula for a chloride salt
3. have the same number of electrons in the atom
4. have the same number of outer electrons
What is the formula of lithium nitrate? [gp1-85]
1. LiNO₃
2. Li₂NO₃
3. Li(NO₃)₂
4. Li(NO₃)₃
What is the formula of sodium sulphate? [gp1-86]
1. NaSO₄
2. Na₂SO₄
3. Na(SO₄)₂
4. Na₃SO₄
What is the formula of lithium hydroxide? [gp1-87]
1. Li(OH)₂
2. Li₂OH
3. LiOH
4. Li(OH)₃
What is the formula of potassium carbonate? [gp1-88]
1. KCO₃
2. K(CO₃)₂
3. K₃CO₃
4. K₂CO₃
When alkali metals react with water, the increase in reactivity down the group, with increasing atomic number, is partly explained by the? [gp1-89]
1. increasingly easier oxidation of M to M⁺
2. outer electron increasingly closer to the positive nucleus
3. outer electron being increasingly more strongly held by the nucleus
4. decreasingly smaller atom
When alkali metals react with water, the increase in reactivity down the group, with increasing atomic number, is partly explained by the? [gp1-90]
1. increasingly easier reduction of M to M⁺
2. outer electron increasingly further from the positive nucleus
3. outer electron being increasingly more strongly held by the nucleus
4. decreasingly smaller atom
When alkali metals react with water, the increase in reactivity down the group, with increasing atomic number, is partly explained by the? [gp1-91]
1. increasingly easier reduction of M to M⁺
2. outer electron increasingly nearer the positive nucleus
3. outer electron being increasingly less strongly held by the nucleus
4. decreasingly smaller atom
When alkali metals react with water, the increase in reactivity down the group, with increasing atomic number, is partly explained by the? [gp1-92]
1. increasingly easier reduction of M to M⁺
2. outer electron increasingly nearer the positive nucleus
3. outer electron being increasingly more strongly held by the nucleus
4. increasingly larger atom
Which halogen at room temperature and pressure is a green gas? [gp7-1]
1. fluorine
2. chlorine
3. bromine
4. iodine
Which halogen at room temperature and pressure is a dark red liquid? [gp7-2]
1. fluorine
2. chlorine
3. bromine
4. iodine
Which halogen at room temperature and pressure is a dark solid? [gp7-3]
1. fluorine
2. chlorine
3. bromine
4. iodine
Which halogen on heating gives an orange-brown vapour? [gp7-4]
1. fluorine
2. chlorine
3. bromine
4. iodine
Which halogen on heating gives a purple vapour? [gp7-5]
1. fluorine
2. chlorine
3. bromine
4. iodine
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-23]
1. the melting points increase
2. the boiling points decrease
3. the reactivity increases
4. the atoms get smaller
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-24]
1. the melting points decrease
2. the boiling points increase
3. the reactivity increases
4. the atoms get smaller
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-25]
1. the colour of the element gets lighter
2. the boiling points decrease
3. the reactivity decreases
4. the atoms get smaller
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-26]
1. the colour of the element gets lighter
2. the boiling points decrease
3. the reactivity increases
4. the atoms get larger
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-27]
1. the colour of the element gets darker
2. the melting points decrease
3. the reactivity increases
4. the atoms get smaller
Which four numbers a, b, c and d are required to balance the equation? [gp7-28]
a Cl_2(aq) + b KI_(aq) ==> c KCl_(aq) + d I_2(aq)
1. 1 2 2 1
2. 2 1 1 2
3. 1 2 1 2
4. 2 1 2 1
Which statement is TRUE about the Group 7 Halogens? [gp7-29]
1. they have low melting points
2. they are good conductors of heat
3. the first three are gases at room temperature and pressure
4. they are strong materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-30]
1. they have high melting points
2. they are poor conductors of heat
3. the first three are gases at room temperature and pressure
4. they are strong materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-31]
1. they have high boiling points
2. they are good conductors of electricity
3. the first two are gases at room temperature and pressure
4. they are strong materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-32]
1. they have high boiling points
2. they are good conductors of electricity
3. only the first one is a gas at room temperature and pressure
4. they are brittle and crumbly materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-33]
1. they have low boiling points
2. they are good conductors of electricity
3. only the first one is a gas at room temperature and pressure
4. they exist as single atoms at room temperature
Which statement is TRUE about the Group 7 Halogens? [gp7-34]
1. they have high boiling points
2. they are poor conductors of electricity
3. only the first one is a gas at room temperature and pressure
4. they exist as single atoms at room temperature
Which statement is TRUE about the Group 7 Halogens? [gp7-35]
1. they have high boiling points
2. they are good conductors of electricity
3. all their vapours are coloured
4. they exist as single atoms at room temperature
Which statement is TRUE about the Group 7 Halogens? [gp7-36]
1. they have high boiling points
2. they are good conductors of electricity
3. all their vapours are colourless
4. they exist as diatomic molecules X₂ at room temperature
Which is TRUE about the Group 7 Halogens? [gp7-37]
1. form negative ions of charge -1
2. form ionic compounds with other non-metallic elements
3. form covalent compounds with metallic elements
4. a less reactive halogen can displace a more reactive one from its ionic salt
Which is TRUE about the Group 7 Halogens? [gp7-38]
1. form negative ions of charge -2
2. form covalent compounds with other non-metallic elements
3. form ionic compounds with hydrogen
4. a less reactive halogen can displace a more reactive one from its ionic salt
Which is TRUE about the Group 7 Halogens? [gp7-39]
1. form negative ions of charge -2
2. form ionic compounds with other non-metallic elements
3. form ionic compounds with metallic elements
4. a less reactive halogen can displace a more reactive one from its ionic salt
Which is TRUE about the Group 7 Halogens? [gp7-40]
1. form positive ions of charge +1
2. form ionic compounds with other non-metallic elements
3. form covalent compounds with metallic elements
4. a more reactive halogen can displace a less reactive one from its ionic salt
Which is formed at the positive electrode (+ anode) during the electrolysis of brine (aqueous sodium chloride solution)? [gp7-41]
1. chlorine
2. hydrogen
3. sodium hydroxide
4. sodium chlorate(I)
Which is formed at the negative electrode (- cathode) during the electrolysis of brine (aqueous sodium chloride solution)? [gp7-42]
1. chlorine
2. hydrogen
3. sodium hydroxide
4. sodium chlorate(I)
Which is left after the electrolysis of brine (aqueous sodium chloride solution)? [gp7-43]
1. chlorine
2. hydrogen
3. sodium hydroxide
4. sodium chlorate(I)
Which is made by combining two of the products from the electrolysis of brine (aqueous sodium chloride solution)? [gp7-44]
1. chlorine
2. hydrogen
3. sodium hydroxide
4. sodium chlorate(I)
Which is a suitable test for the product formed at the positive electrode (+ anode) during the electrolysis of brine (aqueous sodium chloride solution)? [gp7-45]
1. bleaches damp blue litmus
2. squeaky pop with lit splint
3. turns universal indicator from green to purple
4. turns universal indicator from green to red
Which is a suitable test for the product formed at the negative electrode (- cathode) during the electrolysis of brine (aqueous sodium chloride solution)? [gp7-46]
1. bleaches damp blue litmus
2. squeaky pop with lit splint
3. turns universal indicator from green to purple
4. turns universal indicator from green to red
Which is a suitable test for the product left after the electrolysis of brine (aqueous sodium chloride solution)? [gp7-47]
1. bleaches damp blue litmus
2. squeaky pop with lit splint
3. turns universal indicator from green to purple
4. turns universal indicator from green to red
Which is a suitable test for the product formed by combining sodium hydroxide and chlorine from the electrolysis of brine (aqueous sodium chloride solution)? [gp7-48]
1. bleaches damp blue litmus
2. squeaky pop with lit splint
3. turns universal indicator from green to purple
4. turns red litmus paper blue and bleaches it white
Which is used in the manufacture of ceramics? [gp7-49]
1. sodium hydroxide
2. silver chloride
3. chlorine
4. hydrogen
Which is used in the manufacture of photographic film? [gp7-50]
1. sodium hydroxide
2. silver chloride
3. chlorine
4. hydrogen
Which is used in the manufacture of disinfectants? [gp7-51]
1. hydrochloric acid
2. silver chloride
3. chlorine
4. hydrogen
Which is used in the manufacture of margarine? [gp7-52]
1. sodium hydroxide
2. silver chloride
3. chlorine
4. hydrogen
Which is used in the manufacture of PVC plastic? [gp7-53]
1. chlorine
2. hydrogen
3. sodium chlorate(I)
4. hydrochloric acid
Which is used in the manufacture of ammonia? [gp7-54]
1. chlorine
2. hydrogen
3. sodium hydroxide
4. hydrochloric acid
Which is used in the manufacture of detergent soaps? [gp7-55]
1. chlorine
2. hydrogen
3. sodium hydroxide
4. hydrogen chloride
Which is used with water to make a well known acid? [gp7-56]
1. sodium chlorate(I)
2. hydrogen
3. sodium hydroxide
4. hydrogen chloride
Which is used in the manufacture of hydrochloric acid? [gp7-57]
1. hydrogen
2. sodium hydroxide
3. sodium chlorate
4. silver chloride
Which is used in the manufacture of paper? [gp7-58]
1. hydrogen
2. sodium hydroxide
3. chlorine
4. silver bromide
Which is used to kill bacteria in water? [gp7-58]
1. hydrochloric acid
2. sodium hydroxide
3. chlorine
4. silver bromide
Which is used in the manufacture of photographic film? [gp7-60]
1. hydrogen
2. sodium hydroxide
3. sodium chlorate
4. silver bromide
Which is used to manufacture of bleaches? [gp7-61]
1. chlorine
2. hydrogen
3. silver iodide
4. hydrochloric acid
Which is used in the manufacture of the soluble salt of the acidic medication Aspirin? [gp7-62]
1. chlorine
2. sodium hydroxide
3. silver iodide
4. sodium chlorate(I)
Which is used in the manufacture of photographic film? [gp7-63]
1. chlorine
2. hydrogen
3. silver iodide
4. sodium hydroxide
Which is used in the manufacture of bleaches? [gp7-64]
1. hydrochloric acid
2. hydrogen
3. silver iodide
4. sodium hydroxide
Which correctly describes a property of the compound formed when a halogen X (eg Cl, Br, I) combines with an Alkali Metal M (eg Li, Na, K etc.)? [gp7-89]
1. the solid is a poor conductor
2. low melting point
3. silvery solid
4. will not conduct when liquid or when dissolved in water
Which correctly describes a property of the compound formed when a halogen X (eg Cl, Br, I) combines with an Alkali Metal M (eg Li, Na, K etc.)? [gp7-90]
1. the solid is a good conductor
2. high melting point
3. silvery solid
4. will not conduct when liquid or when dissolved in water
Which correctly describes a property of the compound formed when a halogen X (eg Cl, Br, I) combines with an Alkali Metal M (eg Li, Na, K etc.)? [gp7-91]
1. the solid is a good conductor
2. has a low boiling point
3. white or colourless solid
4. will not conduct when liquid or when dissolved in water
Which correctly describes a property of the compound formed when a halogen X (eg Cl, Br, I) combines with an Alkali Metal M (eg Li, Na, K etc.)? [gp7-92]
1. the solid is a good conductor
2. has a low boiling point
3. silvery solid
4. will conduct when liquid or when dissolved in water
Which does NOT represent a possible reaction? [gp7-93]
1. iodine + potassium bromide ==> potassium iodide + bromine
2. chlorine + sodium iodide ==> sodium chloride + iodine
3. bromine + potassium iodide ==> potassium bomide + iodine
4. fluorine + sodium chloride ==> sodium fluoride + chlorine
Which does NOT represent a possible reaction? [gp7-94]
1. chlorine + potassium bromide ==> potassium chloride + bromine
2. chlorine + sodium fluoride ==> sodium chloride + fluorine
3. bromine + potassium iodide ==> potassium bomide + iodine
4. fluorine + sodium chloride ==> sodium fluoride + chlorine
Which does NOT represent a possible reaction? [gp7-95]
1. chlorine + potassium bromide ==> potassium chloride + bromine
2. chlorine + sodium iodide ==> sodium chloride + iodine
3. bromine + potassium chloride ==> potassium bomide + chlorine
4. fluorine + sodium chloride ==> sodium fluoride + chlorine
Which does NOT represent a possible reaction? [gp7-96]
1. chlorine + potassium bromide ==> potassium chloride + bromine
2. chlorine + sodium iodide ==> sodium chloride + iodine
3. bromine + potassium iodide ==> potassium bomide + iodine
4. bromine + sodium chloride ==> sodium bromide + chlorine
Which is the most reactive halogen listed? [gp7-97]
1. chlorine
2. bromine
3. iodine
4. astatine
Which is the least reactive halogen listed? [gp7-98]
1. chlorine
2. iodine
3. bromine
4. fluorine
Which quartet of hazard warning symbols should ALL be on a cylinder of chlorine? [gp7-99]
Which pair of hazard warning symbols should BOTH be on a bottle of hydrochloric acid? [gp7-100]
[gp7-6] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a Cl_2(aq) + b KBr_(aq) ==> c KCl_(aq) + d Br_2(aq)
1. 1 2 2 1
2. 2 1 1 1
3. 1 1 2 2
4. 2 2 1 2
[gp7-7] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a Br_2(aq) + b NaI_(aq) ==> c NaBr_(aq) + d I_2(aq)
1. 1 2 1 2
2. 1 2 2 1
3. 1 1 2 2
4. 2 2 1 2
[gp7-8] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a Cl_2(aq) + b CaI_2(aq) ==> c CaCl_2(aq) + d I_2(s)
1. 2 1 2 1
2. 1 2 2 2
3. 1 1 1 1
4. 2 2 1 2
[gp7-9] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a AlBr_3(aq) + b Cl_2(aq) ==> c AlCl_3(aq) + d Br_2(s)
1. 1 3 2 2
2. 1 3 1 3
3. 3 2 2 2
4. 2 3 2 3
[gp7-10] Which five numbers a, b, c, d and e are required in the ratio to balance the equation?
a CaCO_3(s) + b HCl_(aq) ==> c CaCl_2(aq) + d H₂O_(l) + e CO_2(g)
1. 1 2 1 1 1
2. 2 2 1 2 1
3. 1 1 1 1 1
4. 2 1 2 2 2
[gp7-11] Which five numbers a, b, c, d and e are required in the ratio to balance the equation?
a Na₂CO_3(s) + b HCl_(aq) ==> c NaCl_(aq) + d H₂O_(l) + e CO_2(g)
1. 1 4 4 2 2
2. 1 2 2 1 1
3. 2 2 4 2 2
4. 2 2 2 1 1
[gp7-12] Which five numbers a, b, c, d and e are required in the ratio to balance the equation?
a Tl₂(CO₃)_3(s) + b HCl_(aq) ==> c TlCl_3(aq) + d H₂O_(l) + e CO_2(g)
1. 2 6 4 3 6
2. 1 3 2 6 2
3. 1 6 2 3 3
4. 2 3 4 3 6
[gp7-13] Which three numbers a, b and c are required in the ratio to balance the equation?
a Na_(s) + b Cl_2(g) ==> c NaCl_(s)
1. 2 1 2
2. 1 1 1
3. 1 2 1
4. 2 1 1
[gp7-14] Which three numbers a, b and c are required in the ratio to balance the equation?
a Al_(s) + b Cl_2(g) ==> c AlCl_3(s)
1. 1 3 1
2. 2 3 2
3. 2 2 3
4. 1 3 2
[gp7-15] Which three numbers a, b and c are required in the ratio to balance the equation?
a Ca_(s) + b Cl_2(g) ==> c CaCl_2(s)
1. 1 2 1
2. 1 1 2
3. 1 1 1
4. 2 2 1
[gp7-16] Which three numbers a, b and c are required in the ratio to balance the equation?
a P_(s) + b Cl_2(g) ==> c PCl_5(s) ?
1. 1 5 1
2. 1 5 2
3. 2 5 4
4. 2 5 2
[gp7-17] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a NaOH_(aq) + b HCl_(aq) ==> c NaCl_(aq) + d H₂O_(l)
1. 1 1 1 1
2. 1 2 2 1
3. 2 1 1 2
4. 1 2 2 1
[gp7-18] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a Ca(OH)_2(aq) + b HCl_(aq) ==> c CaCl_2(aq) + d H₂O_(l)
1. 1 2 1 1
2. 1 2 1 2
3. 2 1 1 2
4. 2 2 2 1
[gp7-19] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a Al(OH)_3(s) + b HCl_(aq) ==> c AlCl_3(aq) + d H₂O_(l)
1. 2 6 2 3
2. 1 6 2 6
3. 1 3 1 3
4. 2 3 2 3
[gp7-20] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a Fe₂O_3(s) + b HCl_(aq) ==> c FeCl_3(aq) + d H₂O_(l)
1. 2 6 2 3
2. 1 6 2 6
3. 1 3 1 3
4. 1 6 2 3
[gp7-21] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a MgO_(s) + b HCl_(aq) ==> c MgCl_2(aq) + d H₂O_(l)
1. 1 2 1 1
2. 1 1 1 1
3. 2 2 1 2
4. 1 4 1 2
[gp7-22] Which four numbers a, b, c and d are required in the ratio to balance the equation?
a Li₂O_(s) + b HCl_(aq) ==> c LiCl_(aq) + d H₂O_(l)
1. 1 2 1 1
2. 1 1 1 1
3. 1 2 2 1
4. 1 2 1 2
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-65]
1. the reaction is given by the equation: H₂ + X₂ ==> 2HX
2. the liquid will be a good electrical conductor
3. they will have a high melting and boiling point
4. in water form an alkaline solution of pH 14
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-66]
1. the reaction is given by the equation: H + X ==> HX
2. the liquid will be a poor electrical conductor
3. they will have a high melting and boiling point
4. in water form an alkaline solution of pH 14
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-67]
1. the reaction is given by the equation: H + X ==> HX
2. the liquid will be a good electrical conductor
3. they will have a low melting and boiling point
4. in water form an alkaline solution of pH 14
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-68]
1. the solution of the compound in water is a poor conductor
2. the liquid will be a good electrical conductor
3. they will have a high melting and boiling point
4. in water forms an acid solution of pH 1
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-69]
1. the solution of the compound in water is a good conductor
2. the liquid will be a good electrical conductor
3. they will have a high melting and boiling point
4. in water form a neutral solution of pH 7
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-70]
1. the solution of the compound in water is a poor conductor
2. the liquid will be a poor electrical conductor
3. they are coloured gases or vapours
4. in water they form an alkaline solution of pH 14
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-71]
1. the solution of the compound in water is a poor conductor
2. the liquid will be a good electrical conductor
3. they are colourless gases
4. in water they form a neutral solution of pH 7
Which is TRUE about the compounds formed by reacting a Halogen (X) with hydrogen gas? [gp7-72]
1. the solution of the compound in water is a poor conductor
2. the liquid will be a poor electrical conductor
3. they are coloured gases or vapours
4. in water form solutions which neutralise alkalis to form salts
Which helps explain why the Halogens get less reactive down the Group with increase in atomic number? [gp7-73]
1. down the group the atoms get larger with an increasing number of electron shells used
2. down the group the outer electrons are nearer to the positive nucleus
3. down the group the outer electrons are more strongly attracted to the positive nucleus
4. down the group the electrons are more easily lost
Which helps explain why the Halogens get less reactive down the Group with increase in atomic number? [gp7-74]
1. down the group the atoms get smaller with an increasing number of electron shells used
2. down the group the outer electrons are further from the positive nucleus
3. down the group the outer electrons are more strongly attracted to the positive nucleus
4. down the group the electrons are more easily lost
Which helps explain why the Halogens get less reactive down the Group with increase in atomic number? [gp7-75]
1. down the group the atoms get smaller with an increasing number of electron shells used
2. down the group the outer electrons are nearer to the positive nucleus
3. down the group the outer electrons are less strongly attracted to the positive nucleus
4. down the group the electrons are more easily gained
Which helps explain why the Halogens get less reactive down the Group with increase in atomic number? [gp7-76]
1. down the group the atoms get smaller with an increasing number of electron shells used
2. down the group the outer electrons are nearer to the positive nucleus
3. down the group the outer electrons are more strongly attracted to the positive nucleus
4. down the group the outer electrons are less easily gained
The diagram shows a simple laboratory demonstration of the electrolysis of brine (aqueous sodium chloride solution, NaCl_(aq)). Which is a TRUE statement about this process? [gp7-77]
1. the positive electrode (anode) equation is: 2Cl^-_(aq)) ==> Cl_2(g) + 2e^-
2. the negative (cathode) electrode equation is: H⁺_(aq)) + e^- ==> H_2(g)
3. the positive electrode process is a reduction
4. the negative electrode process is an oxidation
The diagram shows a simple laboratory demonstration of the electrolysis of brine (aqueous sodium chloride solution, NaCl_(aq)). Which is a TRUE statement about this process? [gp7-78]
1. the positive electrode (anode) equation is: Cl^-_(aq)) ==> Cl_2(g) + e^-
2. the negative (cathode) electrode equation is: 2H⁺_(aq)) + 2e^- ==> H_2(g)
3. the positive electrode process is a reduction
4. the negative electrode process is an oxidation
The diagram shows a simple laboratory demonstration of the electrolysis of brine (aqueous sodium chloride solution, NaCl_(aq)). Which is a TRUE statement about this process? [gp7-79]
1. the negative electrode (cathode) equation is: 2Cl^-_(aq)) ==> Cl_2(g) + 2e^-
2. the positive (anode) electrode equation is: 2H⁺_(aq)) + 2e^- ==> H_2(g)
3. the positive electrode process is an oxidation
4. the negative electrode process involves electron loss
The diagram shows a simple laboratory demonstration of the electrolysis of brine (aqueous sodium chloride solution, NaCl_(aq)). Which is a TRUE statement about this process? [gp7-80]
1. the negative electrode (cathode) equation is: 2Cl^-_(aq)) ==> Cl_2(g) + 2e^-
2. the positive (anode) electrode equation is: 2H⁺_(aq)) + 2e^- ==> H_2(g)
3. the positive electrode process involves electron gain
4. the negative electrode process involves reduction
The displacement reaction between chlorine and potassium bromide can be represented by the ionic-redox equation:
Cl_2(aq) + 2Br^-_(aq)) ==> 2Cl^-_(aq)) + Br_2(aq)
Which statement is CORRECT? [gp7-81]
1. chlorine is reduced
2. bromide is reduced
3. chlorine is the reducing agent
4. bromide is the oxidising agent
The displacement reaction between chlorine and potassium bromide can be represented by the ionic-redox equation:
Cl_2(aq) + 2Br^-_(aq)) ==> 2Cl^-_(aq)) + Br_2(aq)
Which statement is CORRECT? [gp7-82]
1. chlorine is oxidised
2. bromide is oxidised
3. chlorine is the reducing agent
4. bromide is the oxidising agent
The displacement reaction between chlorine and potassium bromide can be represented by the ionic-redox equation:
Cl_2(aq) + 2Br^-_(aq)) ==> 2Cl^-_(aq)) + Br_2(aq)
Which statement is CORRECT? [gp7-83]
1. chlorine is oxidised
2. bromide is reduced
3. chlorine is the oxidising agent
4. chloride is the reducing agent
The displacement reaction between chlorine and potassium bromide can be represented by the ionic-redox equation:
Cl_2(aq) + 2Br^-_(aq)) ==> 2Cl^-_(aq)) + Br_2(aq)
Which statement is CORRECT? [gp7-84]
1. chlorine is oxidised
2. bromide is reduced
3. chloride is the oxidising agent
4. bromide is the reducing agent
Which is the correct ionic-redox equation for the reaction between chlorine and potassium iodide? [gp7-85]
1. Cl_2(aq) + 2I^-_(aq)) ==> 2Cl^-_(aq)) + I_2(aq)
2. Cl_(aq)) + K⁺I^-_(aq)) ==> K⁺Cl^-_(aq)) + I_(aq))
3. Cl_2(aq) + I^-_(aq)) ==> Cl^-_(aq)) + I_2(aq)
4. Cl_2(aq) + 2KI_(aq)) ==> 2KCl_(aq)) + I_2(aq)
Which is the correct ionic-redox equation for the reaction between bromine and potassium iodide? [gp7-86]
1. Br_(aq)) + K⁺I^-_(aq)) ==> K⁺Br^-_(aq)) + I_(aq))
2. Br_2(aq) + 2I^-_(aq)) ==> 2Br^-_(aq)) + I_2(aq)
3. Br_2(aq) + I^-_(aq)) ==> Br^-_(aq)) + I_2(aq)
4. Br_2(aq) + 2KI_(aq)) ==> 2KBr_(aq)) + I_2(aq)
Which is a possible ionic-redox equation for the reaction between a halogen and a halide salt solution? [gp7-87]
1. I_2(aq) + 2Cl^-_(aq)) ==> 2I^-_(aq)) + Cl_2(aq)
2. Br_2(aq) + 2F^-_(aq)) ==> 2Br^-_(aq)) + F_2(aq)
3. Cl_2(aq) + 2I^-_(aq)) ==> 2Cl^-_(aq)) + I_2(aq)
4. I_2(aq) + 2Br^-_(aq)) ==> 2I^-_(aq)) + Br_2(aq)
Which is a possible ionic-redox equation for the reaction between a halogen and a halide salt solution? [gp7-88]
1. I_2(aq) + 2Cl^-_(aq)) ==> 2I^-_(aq)) + Cl_2(aq)
2. Br_2(aq) + 2F^-_(aq)) ==> 2Br^-_(aq)) + F_2(aq)
3. I_2(aq) + 2Br^-_(aq)) ==> 2I^-_(aq)) + Br_2(aq)
4. Br_2(aq) + 2I^-_(aq)) ==> 2Br^-_(aq)) + I_2(aq)
Which is a Noble Gas? [gp0-1]
1. helium
2. chlorine
3. nitrogen
4. oxygen
Which is a Noble Gas [gp0-2]
1. fluorine
2. neon
3. ammonia
4. ozone
Which is a Noble Gas [gp0-3]
1. nitrogen
2. chlorine
3. argon
4. oxygen
Which is an electron arrangement of a Noble Gas? [gp0-4]
1. 2.8.1
2. 2.8.7
3. 2.8.8.2
4. 2
Which is an electron arrangement of a Noble Gas? [gp0-5]
1. 2.8
2. 2.8.7
3. 2.8.8.2
4. 2.8.18.2
Which is an electron arrangement of a Noble Gas? [gp0-6]
1. 2.8.2
2. 2.8.8
3. 2.8.18.7
4. 2.1
Which statement is TRUE about the Noble Gases? [gp0-7]
1. they readily react with chlorine
2. down the group the colour of the gas gets darker
3. they are poor conductors of heat
4. they are good conductors of electricity
Which statement is TRUE about the Noble Gases? [gp0-8]
1. they readily react with chlorine
2. down the group the colour of the gas gets darker
3. they are good conductors of heat
4. they are poor conductors of electricity
Which statement is TRUE about the Noble Gases? [gp0-9]
1. they are very unreactive gases
2. down the group the colour of the gas gets darker
3. they are good conductors of heat
4. they are good conductors of electricity
Which statement is TRUE about the Noble Gases? [gp0-10]
1. they readily burn in oxygen
2. they are all colourless gases
3. they are good conductors of heat
4. they are good conductors of electricity
Which Noble Gas is used in filament bulbs to stop the filament burning out too quickly? [gp0-11]
1. neon
2. helium
3. argon
4. krypton
Which Noble Gas is used in balloons? [gp0-12]
1. argon
2. krypton
3. neon
4. helium
Which gas is used in electrical discharge lights? [gp0-13]
1. neon
2. helium
3. nitrogen
4. oxygen
Which gas is used in laser beams? [gp0-14]
1. nitrogen
2. krypton
3. helium
4. oxygen
Which gas has been replaced by safer helium in airships? [gp0-15]
1. carbon dioxide
2. nitrogen
3. hydrogen
4. oxygen
Which gas is used to provide a non-oxidising atmosphere in welding operations? [gp0-16]
1. neon
2. helium
3. carbon dioxide
4. argon
Which statement explains the lack of chemical reactivity by Noble Gases? [gp0-17]
1. they have a stable full outer shell of electrons
2. it is impossible to ionize the gases because too much energy is required
3. they form very stable molecules of two combined atoms
4. the lower energy, inner full shells of electrons cannot be used in chemical bonding
In which section of the Periodic Table will you find the Noble Gases? [gp0-18]
1. section (1)
2. section (5)
3. section (3)
4. section (4)
5. section (2)
The Noble Gases consist of? [gp0-19]
1. diatomic molecules
2. triatomic molecules
3. single free atoms
4. atoms linked by weak bonds
Which reason best accounts for the use of helium in modern airships? [gp0-20]
1. lighter than air and cheap to produce
2. expensive, but easy to store in cylinders
3. expensive, but a very unreactive gas
4. less dense than air and not flammable
Which statement is TRUE about the trend, with increasing atomic number, down the Group of Noble Gases? [gp0-21]
1. the boiling points increase
2. the melting points decrease
3. the density decreases
4. the reactivity decreases
Which statement is TRUE about the trend, with increasing atomic number, down the Group of Noble Gases? [gp0-22]
1. the boiling points decrease
2. the melting points increase
3. the density decreases
4. the reactivity decreases
Which statement is TRUE about the Group of Noble Gases? [gp0-23]
1. they are all dense gases
2. they are lightly coloured gases
3. they have low melting points and boiling points
4. they will all burn in pure oxygen
In 1962 a Canadian chemist, Bartlet, managed to combine xenon with the highly reactive Halogen gas fluorine to make xenon tetrafluoride. Which equation is correct in making xenon tetrafluoride? [gp0-24]
1. Xe₂ + 2F₂ ==> XeF₄
2. 2Xe + 4F ==> 2XeF₄
3. Xe₂ + 8F₂ ==> 2XeF₄
4. Xe + 2F₂ ==> XeF₄
Which is TRUE about the 'Noble Gases'? [gp0-25]
1. they are very unreactive
2. they have a great tendency to share or gain electrons to form a chemical bond
3. argon is used in welding to keep the surrounding metal cool
4. argon is used in lamps to make the metal filament a better conductor
Which is TRUE about the 'Noble Gases'? [gp0-26]
1. they are very reactive
2. they have little tendency to share or gain electrons to form a chemical bond
3. argon is used in welding to keep the surrounding metal cool
4. argon is used in lamps to make the metal filament a better conductor
Which is TRUE about the 'Noble Gases'? [gp0-27]
1. they are very reactive
2. they have a great tendency to share or gain electrons to form a chemical bond
3. argon is used in welding to stop oxidation of the metal
4. argon is used in lamps to make the metal filament a better conductor
Which is TRUE about the 'Noble Gases'? [gp0-28]
1. they are very reactive
2. they have a great tendency to share or gain electrons to form a chemical bond
3. argon is used in welding to keep the surrounding metal cool
4. argon is used in lamps to stop the metal filament from being oxidised
Which is an electron arrangement of a Noble Gas? [gp0-29]
1. 2.8.18.8
2. 2.8.4
3. 2.8.8.2
4. 2.8.18.2
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-1]
1. 25 Mn manganese
2. 12 Mg magnesium
3. 13 Al aluminium
4. 50 Sn tin
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-2]
1. 20 Ca calcium
2. 24 Cr chromium
3. 13 Al aluminium
4. 50 Sn tin
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-3]
1. 20 Ca calcium
2. 19 K potassium
3. 27 Co cobalt
4. 50 Sn tin
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-4]
1. 20 Ca calcium
2. 19 K potassium
3. 3 Li lithium
4. 22 Ti titanium
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process to make methanol? [tm-5]
1. 29 Cu copper
2. 19 K potassium
3. 3 Li lithium
4. 12 Mg magnesium
Given the atomic number and symbol, which metal is most likely to form blue coloured compounds? [tm-6]
1. 29 Cu copper
2. 26 Fe iron
3. 3 Li lithium
4. 12 Mg magnesium
Given the lists of elements, which of them are Alkali Metals? [tm-7]
1. 3 Li, 11 Na, 19 K, ...
2. 22 Ti, 24 Cr, 25 Mn, ...
3. 9 F, 17 Cl, 35 Br, ...
4. 2 He, 10 Ne, 18 Ar, ...
Given the lists of elements, which of them are Transition Metals? [tm-8]
1. 3 Li, 11 Na, 19 K, ...
2. 22 Ti, 24 Cr, 25 Mn, ...
3. 9 F, 17 Cl, 35 Br, ...
4. 2 He, 10 Ne, 18 Ar, ...
Given the lists of elements, which of them are the Halogens? [tm-9]
1. 3 Li, 11 Na, 19 K, ...
2. 22 Ti, 24 Cr, 25 Mn, ...
3. 9 F, 17 Cl, 35 Br, ...
4. 2 He, 10 Ne, 18 Ar, ...
Given the lists of elements, which of them are the Noble Gases? [tm-10]
1. 3 Li, 11 Na, 19 K, ...
2. 22 Ti, 24 Cr, 25 Mn, ...
3. 9 F, 17 Cl, 35 Br, ...
4. 2 He, 10 Ne, 18 Ar, ...
Which letter represents a Transition Metal? [tm-11]
1. element Q
2. element L
3. element W
4. element R
Which letter represents a Transition Metal? [tm-12]
1. element M
2. element Y
3. element T
4. element Q
Which letter represents a Transition Metal? [tm-13]
1. element R
2. element E
3. element Y
4. element G
Which letter represents an Alkali Metal? [tm-14]
1. element Q
2. element T
3. element W
4. element Y
Which letter represents a Noble Gas? [tm-15]
1. element Q
2. element T
3. element W
4. element Y
Which letter represents a Halogen? [tm-16]
1. element Q
2. element T
3. element W
4. element Y
Compounds of 4 elements, E, T, O and N (not their real symbols) where dissolved in water. They were then tested for catalytic activity with hydrogen peroxide solution to see if oxygen was formed. Which is most likely to be a Transition Metal? [tm-17]
1. compound of element E, lots of bubbles formed
2. compound of element T, no bubbles
3. compound of element O, no bubbles
4. compound of element N, a few bubbles
Compounds of 4 elements, E, G, O and N (not their real symbols) where dissolved in water. They were then tested for catalytic activity with hydrogen peroxide solution to see if oxygen was formed. Which is most likely to be a Transition Metal? [tm-18]
1. compound of element E, no bubbles formed
2. compound of element G, a few bubbles
3. compound of element O, no bubbles
4. compound of element N, many bubbles
Compounds of 4 elements, E, T, O and R (not their real symbols) where dissolved in water. They were then tested for catalytic activity with hydrogen peroxide solution to see if oxygen was formed. Which is most likely to be a Transition Metal? [tm-19]
1. compound of element E, no bubbles formed
2. compound of element T, a few bubbles
3. compound of element O, no bubbles
4. compound of element R, many bubbles
Compounds of 4 elements, E, T, O and N (not their real symbols) where dissolved in water. They were then tested for catalytic activity with hydrogen peroxide solution to see if oxygen was formed. Which is most likely to be a Transition Metal? [tm-20]
1. compound of element E, no bubbles formed
2. compound of element T, no bubbles
3. compound of element O, many bubbles
4. compound of element N, many bubbles
Which metal is most likely to be used in electrical wiring? [tm-21]
1. copper
2. iron
3. manganese
4. zinc
Which metal is most likely to be used for domestic water pipes? [tm-22]
1. copper
2. iron
3. manganese
4. zinc
Which metal is most likely to be used for manhole and grid covers? [tm-23]
1. copper
2. iron
3. manganese
4. zinc
Which metal is most likely to be used for galvanising steel car bodies for rust prevention? [tm-24]
1. copper
2. iron
3. manganese
4. zinc
Which of the following metals forms an oxide that rapidly decomposes hydrogen peroxide? [tm-25]
1. copper
2. iron
3. manganese
4. zinc
Which metal is used as a catalyst in the synthesis of ammonia from nitrogen and hydrogen? [tm-26]
1. copper
2. iron
3. manganese
4. zinc
Which is a typical property of a Transition Metal? [tm-27]
1. high melting point
2. low density
3. soft solid
4. low boiling point
Which is a typical property of a Transition Metal? [tm-28]
1. low melting point
2. high density
3. soft solid
4. low boiling point
Which is a typical property of a Transition Metal? [tm-29]
1. low melting point
2. low density
3. soft solid
4. high boiling point
Which is a typical property of a Transition Metal? [tm-30]
1. low melting point
2. low density
3. hard solid
4. low boiling point
Which is a typical property of a Transition Metal? [tm-31]
1. poor heat conductors when liquid
2. easily hammered into shape
3. low melting points
4. very reactive
Which of the following metals corrodes to form a green basic carbonate? [tm-32]
1. copper
2. iron
3. manganese
4. zinc
Which element is most likely to form compounds used to produce coloured pottery glazes? [tm-33]
1. sodium
2. iron
3. sulphur
4. nitrogen
Which element is most likely to form compounds used to produce coloured pottery glazes? [tm-34]
1. potassium
2. sulphur
3. copper
4. chlorine
Which element is most likely to be an effective catalyst in the catalytic converters of car exhausts? [tm-35]
1. mercury
2. lithium
3. aluminium
4. platinum
Which Transition Metal has an unusually low melting point? [tm-36]
1. mercury
2. chromium
3. copper
4. platinum
Which Transition Metal is likely to corrode more slowly than the others? [tm-37]
1. iron
2. copper
3. zinc
4. manganese
Which of these Transition elements is the main metal in steel? [tm-38]
1. zinc
2. copper
3. iron
4. manganese
Which of these metals is likely to corrode faster than the others? [tm-39]
1. iron
2. copper
3. chromium
4. lithium
Which is likely to be the hardest metal? [tm-40]
1. iron
2. aluminium
3. sodium
4. tin
Which is likely to be the most dense metal? [tm-41]
1. potassium
2. copper
3. aluminium
4. tin
Which is likely to have the highest melting point? [tm-42]
1. potassium
2. aluminium
3. copper
4. lead
Which is likely to have the highest boiling point? [tm-43]
1. lithium
2. tin
3. lead
4. iron
Which is likely to be the best conductor of heat? [tm-44]
1. iron
2. sulphur
3. phosphorus
4. bromine
Which is likely to be the best conductor of electricity? [tm-45]
1. sulphur
2. copper
3. phosphorus
4. bromine
Which is likely to be the easiest element to hammer into a particular shape without it shattering? [tm-46]
1. sulphur
2. carbon
3. chromium
4. phosphorus
Which is an element? [tm-47]
1. iron oxide
2. steel
3. brass
4. iron
Which is a compound? [tm-48]
1. iron oxide
2. steel
3. brass
4. iron
Which is a mixture? [tm-49]
1. iron oxide
2. steel
3. copper
4. iron
In which section of the Periodic Table would you find iron? [tm-50]
1. section 1
2. section 4
3. section 3
4. section 5
In which section of the Periodic Table would you find copper? [tm-51]
1. section 1
2. section 4
3. section 5
4. section 3
From the descriptions,which is the most likely to be a Transition Metal? [tm-52]
1. high melting point, low density, forms a green coloured chloride
2. high melting point, high density, forms a white coloured chloride
3. high melting point, high density, forms a blue coloured chloride
4. low melting point, high density, forms a white coloured chloride
From the descriptions,which is the most likely to be a Transition Metal? [tm-53]
1. high melting point, very strong, forms a pink coloured sulphate
2. low melting point, strong, forms a white coloured chloride
3. high melting point, soft, forms a yellow coloured sulphate
4. low melting point, soft, forms a white coloured chloride
From the descriptions,which is the most likely to be a metal but NOT a Transition Metal? [tm-54]
1. high melting point, very strong, forms a pink coloured sulphate
2. high melting point, strong, forms a white coloured chloride
3. high melting point, brittle, forms a white coloured oxide
4. low melting point, weak, forms a yellow coloured chloride
From the descriptions,which is the most likely to be a non-metallic element? [tm-55]
1. high melting point, good heat conductor, forms a pink coloured sulphate
2. high melting point, good heat conductor, forms a white coloured chloride
3. low melting point, poor heat conductor, forms a white coloured oxide
4. low melting point, good heat conductor, forms a red coloured oxide
From the descriptions,which is the most likely to be a non-metallic element? [tm-56]
1. high melting point, good heat conductor, forms a pink coloured sulphate
2. moderately high melting point, good heat conductor, forms a white coloured chloride
3. low melting point, moderately good electrical conductor, forms a yellow coloured oxide
4. low melting point, poor electrical conductor, forms a colourless chloride
Which statement is generally TRUE when comparing the Group 1 Alkali Metals with the central block of Transition Metals? [tm-57]
1. both are good conductors of electricity
2. both are typically hard metals
3. both consist of reactive metals
4. both have high melting points
Which statement is generally TRUE when comparing the Group 1 Alkali Metals with the central block of Transition Metals? [tm-58]
1. only Transition Metals are good conductors of electricity
2. Alkali Metals are soft, Transition metals are hard
3. both consist of reactive metals
4. both have high melting points
Which statement is generally TRUE when comparing the Group 1 Alkali Metals with the central block of Transition Metals? [tm-59]
1. only Transition Metals are good conductors of electricity
2. both are typically hard metals
3. Alkali Metals are more reactive than Transition Metals
4. both have high melting points
Which statement is generally TRUE when comparing the Group 1 Alkali Metals with the central block of Transition Metals? [tm-60]
1. only Transition Metals are good conductors of electricity
2. both are typically hard metals
3. both consist of reactive metals
4. Alkali Metals have low melting points and Transition Metals have high melting points
Which statement is generally TRUE when comparing the Group 1 Alkali Metals with the central block of Transition Metals? [tm-61]
1. both are good conductors of heat
2. both are typically hard metals
3. both consist of reactive metals
4. both have high melting points
Which of the following BOTH explain why copper is used in the cable to a reading lamp? [tm-62]
1. good insulator and makes strong wire
2. easily shaped and a good conductor of electricity
3. high density and a good electrical conductor
4. good insulator and makes flexible wire
Which is an Alkali Metal? [tm-63]
1. element 37
2. element 36
3. element 26
4. element 29
Which of the following corrodes to a green compound? [tm-64]
1. element 37
2. element 36
3. element 26
4. element 29
Which is a Noble Gas? [tm-65]
1. element 37
2. element 36
3. element 26
4. element 29
Which is a transition metal used in the form of steel? [tm-66]
1. element 37
2. element 36
3. element 26
4. element 29
Metals have many uses. Which metal is mixed with iron to make stainless steel? [tm-67]
1. copper
2. chromium
3. platinum
4. magnesium
Metals have many uses. Which metal does not readily corrode and is used as a catalyst in the catalytic converter of a car exhaust? [tm-68]
1. copper
2. chromium
3. platinum
4. magnesium
Metals have many uses. Which is added to aluminium to make it a stronger alloy? [tm-69]
1. copper
2. chromium
3. platinum
4. magnesium
Sodium hydroxide solution was added to a metal salt solution and a blue gelatinous precipitate was formed. Which metal ion could have been present? [tm-70]
1. copper(II) ion
2. iron(II) ion
3. iron(III) ion
4. zinc ion
Sodium hydroxide solution was added to a metal salt solution and a dark green gelatinous precipitate was formed. Which metal ion could have been present? [tm-71]
1. copper(II) ion
2. iron(II) ion
3. iron(III) ion
4. zinc ion
Sodium hydroxide solution was added to a metal salt solution and a brown gelatinous precipitate was formed. Which metal ion could have been present? [tm-72]
1. copper(II) ion
2. iron(II) ion
3. iron(III) ion
4. zinc ion
Sodium hydroxide solution was added to a metal salt solution and a white gelatinous precipitate was formed. Which metal ion could have been present? [tm-73]
1. copper(II) ion
2. iron(II) ion
3. iron(III) ion
4. zinc ion
Sodium hydroxide solution was added to a metal salt solution and a blue gelatinous precipitate was formed. Which metal ion could have been present? [tm-74]
1. Cu²⁺
2. Fe²⁺
3. Fe³⁺
4. Zn²⁺
Sodium hydroxide solution was added to a metal salt solution and a dark green gelatinous precipitate was formed. Which metal ion could have been present? [tm-75]
1. Cu²⁺
2. Fe²⁺
3. Fe³⁺
4. Zn²⁺
Sodium hydroxide solution was added to a metal salt solution and a brown gelatinous precipitate was formed. Which metal ion could have been present? [tm-76]
1. Cu²⁺
2. Fe²⁺
3. Fe³⁺
4. Zn²⁺
Sodium hydroxide solution was added to a metal salt solution and a white gelatinous precipitate was formed. Which metal ion could have been present? [tm-77]
1. Cu²⁺
2. Fe²⁺
3. Fe³⁺
4. Zn²⁺
A platinum wire was dipped into a solution of a transition metal salt solution. When the wire and drop were placed in the hot zone of a roaring bunsen flame, flashes of green and blue were seen. Which transition metal could be present in the salt solution? [tm-78]
1. copper
2. iron
3. chromium
4. zinc
A platinum wire was dipped into a solution of a transition metal salt solution. When the wire and drop were placed in the hot zone of a roaring bunsen flame, flashes of green and blue were seen. Which transition metal could be present in the salt solution? [tm-79]
1. Fe²⁺
2. Cu²⁺
3. Fe³⁺
4. Zn²⁺
Which metal is less reactive than copper? [mr-1]
1. Gold
2. Sodium
3. Iron
4. Aluminium
Which metal is more reactive than magnesium? [mr-2]
1. Gold
2. Sodium
3. Iron
4. Aluminium
Which metal is more reactive than hydrogen but less reactive than carbon? [mr-3]
1. Gold
2. Sodium
3. Iron
4. Aluminium
Which metal is less reactive than sodium but cannot be extracted using carbon? [mr-4]
1. Gold
2. Potassium
3. Iron
4. Aluminium
Which is formed when a metal reacts with cold water? [mr-5]
1. a metal hydroxide
2. a salt
3. carbon dioxide
4. an oxide
Which is a compound formed when a metal reacts with an acid? [mr-6]
1. a metal hydroxide
2. a salt
3. hydrogen
4. an oxide
Which is formed when a metal reacts with either water or an acid? [mr-7]
1. a metal hydroxide
2. a salt
3. hydrogen
4. an oxide
Which is formed when a heated metal reacts with steam? [mr-8]
1. a metal hydroxide
2. a salt
3. carbon dioxide
4. an oxide
Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...
Metal Wa does not readily react with dilute acid
Metals Xb and Yc react slowly with acid
Metal Zd will displace Yc from the sulphate salt solution of Yc, YcSO_4(aq).
Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl_2(aq).
If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...
which metal corresponds to (1), the most reactive of the four metals? [mr-9]
1. metal Xb
2. metal Zd
3. metal Yc
4. metal Wa
Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...
Metal Wa does not readily react with dilute acid
Metals Xb and Yc react slowly with acid
Metal Zd will displace Yc from the sulphate salt solution of Yc, YcSO_4(aq).
Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl_2(aq).
If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...
which metal corresponds to (2), the 2nd most reactive of the four metals? [mr-10]
1. metal Xb
2. metal Zd
3. metal Yc
4. metal Wa
Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...
Metal Wa does not readily react with dilute acid
Metals Xb and Yc react slowly with acid
Metal Zd will displace Yc from the sulphate salt solution of Yc, YcSO_4(aq).
Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl_2(aq).
If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...
which metal corresponds to (3), the 3rd most reactive of the four metals? [mr-11]
1. metal Xb
2. metal Zd
3. metal Yc
4. metal Wa
Information is given below on the reactivity of four metals Wa, Xb, Yc and Zd (NOT their real chemical symbols) ...
Metal Wa does not readily react with dilute acid
Metals Xb and Yc react slowly with acid
Metal Zd will displace Yc from the sulphate salt solution of Yc, YcSO_4(aq).
Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl_2(aq).
If their reactivity order is from the most reactive (1) (2) (3) (4) to the least reactive ...
which metal corresponds to (4), the least reactive of the four metals? [mr-12]
1. metal Xb
2. metal Zd
3. metal Yc
4. metal Wa
From the four elements listed, which is a metal which is most likely to be found in the ground as the metal itself? [mr-13]
1. copper
2. hydrogen
3. iron
4. magnesium
From the four elements listed, which is a non-metal with no metallic character at all? [mr-14]
1. copper
2. hydrogen
3. iron
4. magnesium
From the four elements listed, which is a metal that displaces hydrogen from acids but not from cold water? [mr-15]
1. copper
2. gold
3. iron
4. magnesium
From the four elements listed, which is a metal that cannot be extracted by displacement with carbon? [mr-16]
1. copper
2. hydrogen
3. iron
4. magnesium
Which is formed by the reaction of heated magnesium with steam? [mr-17]
1. magnesium oxide + hydrogen
2. magnesium hydroxide + hydrogen
3. magnesium chloride + hydrogen
4. magnesium sulphate + hydrogen
Which is formed by the reaction of magnesium with cold water? [mr-18]
1. magnesium oxide + hydrogen
2. magnesium hydroxide + hydrogen
3. magnesium chloride + hydrogen
4. magnesium sulphate + hydrogen
Which is formed by the reaction of magnesium with hydrochloric acid? [mr-19]
1. magnesium chloride + water
2. magnesium hydroxide + hydrogen
3. magnesium chloride + hydrogen
4. magnesium sulphate + chlorine
Which is formed by the reaction of magnesium with sulphuric acid? [mr-20]
1. magnesium sulphate + water
2. magnesium hydroxide + sulphur dioxide
3. magnesium chloride + hydrogen
4. magnesium sulphate + hydrogen
Which of A to D is less reactive than copper? [mr-21]
1. Platinum
2. Potassium
3. Zinc
4. Magnesium
Which is more reactive than magnesium? [mr-22]
1. Platinum
2. Potassium
3. Zinc
4. Tin
Which is more reactive than hydrogen but less reactive than carbon? [mr-23]
1. Platinum
2. Potassium
3. Zinc
4. Magnesium
Which is less reactive than sodium but cannot be extracted from its ore using carbon? [mr-24]
1. Platinum
2. Potassium
3. Zinc
4. Magnesium
Which is found in rocks as the metal itself? [mr-25]
1. Gold
2. Carbon
3. Zinc
4. Potassium
Which is a non-metal with a little metallic character? [mr-26]
1. Gold
2. Carbon
3. Zinc
4. Potassium
Which is a metal that displaces hydrogen from dilute acids but not from cold water? [mr-27]
1. Gold
2. Carbon
3. Zinc
4. Potassium
Which cannot be extracted from its ore with carbon? [mr-28]
1. Gold
2. iron
3. Zinc
4. Potassium
Which of these in contact with iron will cause rusting? [mr-29]
1. air and water
2. boiled saltwater
3. dry pure oxygen
4. pure boiled water
A steel pier in the sea rusts. The rust consists of? [mr-30]
1. iron carbonate
2. iron oxide
3. iron chloride
4. iron sulphate
Which of these metals can be used in the 'sacrificial corrosion' method for protecting steel structures from rusting? [mr-31]
1. copper
2. lead
3. magnesium
4. gold
Which of these metals can be used in the 'sacrificial corrosion' method for protecting steel structures from rusting? [mr-32]
1. silver
2. tin
3. iron
4. zinc
Which of these reactions is possible? [mr-33]
1. CuO + Zn ==> ZnO + Cu
2. Pb + ZnCl₂ ==> PbCl₂ + Zn
3. Cu + FeSO₄ ==> CuSO₄ + Fe
4. Au + 2HCl ==> AuCl₂ + H₂
Which of these reactions is possible? [mr-34]
1. PbO + Cu ==> CuO + Pb
2. Zn + PbCl₂ ==> ZnCl₂ + Pb
3. Cu + FeSO₄ ==> CuSO₄ + Fe
4. Pt + 2HCl ==> PtCl₂ + H₂
Which of these reactions is possible? [mr-35]
1. SnO + Cu ==> CuO + Sn
2. Pb + SnCl₂ ==> PbCl₂ + Sn
3. Fe + CuSO₄ ==> FeSO₄ + Cu
4. Cu + H₂SO₄ ==> CuSO₄ + H₂
Which of these reactions is possible? [mr-36]
1. PbO + Pt ==> PtO + Pb
2. Pb + SnCl₂ ==> PbCl₂ + Sn
3. Pt + CuSO₄ ==> PtSO₄ + Cu
4. Sn + H₂SO₄ ==> SnSO₄ + H₂
Which of these reactions is possible? [mr-37]
1. lead + copper oxide ==> lead oxide + copper
2. copper + hydrochloric acid ==> copper chloride + hydrogen
3. iron + zinc sulphate ==> iron sulphate + zinc
4. lead + tin sulphate ==> lead sulphate + tin
Which of these reactions is possible? [mr-38]
1. lead + zinc oxide ==> lead oxide + zinc
2. zinc + hydrochloric acid ==> zinc chloride + hydrogen
3. tin + zinc sulphate ==> tin sulphate + zinc
4. lead + tin sulphate ==> lead sulphate + tin
Which of these reactions is possible? [mr-39]
1. copper + zinc oxide ==> copper oxide + zinc
2. platinum + sulphuric acid ==> platinum sulphate + hydrogen
3. zinc + iron sulphate ==> zinc sulphate + iron
4. gold + tin chloride ==> gold chloride + tin
Which of these reactions is possible? [mr-40]
1. silver + copper oxide ==> silver oxide + copper
2. copper + sulphuric acid ==> copper sulphate + hydrogen
3. iron + zinc chloride ==> iron chloride + zinc
4. tin + gold sulphate ==> tin sulphate + gold
Rust readily forms if an iron object is surrounded by? [mr-45]
1. water with dissolved oxygen
2. water with no dissolved oxygen
3. boiled dilute acid
4. dry air
Which of the following cannot be predicted about metal X, given its position in the reactivity series of metals? [mr-46]
1. whether X reacts with acid to form hydrogen
2. whether X acts as a catalyst
3. the method of extraction of X from an ore
4. the product of reacting metal X with the sulphate solution of another metal
Which will displace iron from iron oxide? [mr-47]
1. tin
2. copper
3. magnesium
4. silver
Road tankers carrying acid use steel tanks lined with glass. The glass is used because? [mr-48]
1. glass only reacts with alkalis
2. steel is not strong enough on its own
3. glass is flexible enough to withstand a crash
4. acid reacts with steel forming hydrogen
Corrosion occurs when a metal is attacked by? [mr-49]
1. oxygen
2. hydrogen
3. nitrogen
4. carbon dioxide
When scrap iron is added to blue copper sulphate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pinky-brown deposit is? [mr-50]
1. steel
2. copper metal
3. iron sulphate
4. rust
When scrap iron is added to blue copper sulphate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pale green solution is of? [mr-51]
1. sulphuric acid
2. iron oxide
3. iron sulphate
4. copper chloride
When iron becomes coated in rust, the chemical process is an example of? [mr-52]
1. electrolysis
2. electroplating
3. reduction
4. oxidation
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-57]
1. iron rusts more quickly when attached to a less reactive metal
2. iron rusts more quickly when attached to a more reactive metal
3. iron is less reactive than tin
4. iron is more reactive than magnesium
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-58]
1. iron rusts less quickly when attached to a less reactive metal
2. iron rusts less quickly when attached to a more reactive metal
3. iron is less reactive than tin
4. iron is more reactive than magnesium
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-59]
1. iron rusts less quickly when attached to a less reactive metal
2. iron rusts more quickly when attached to a more reactive metal
3. iron is more reactive than tin
4. iron is more reactive than magnesium
The effect of connecting other metals to an iron nail was investigated. From the observations you can deduce? [mr-60]
1. iron rusts less quickly when attached to a less reactive metal
2. iron rusts more quickly when attached to a more reactive metal
3. iron is less reactive than tin
4. iron is less reactive than magnesium
The steel hulls of ships can be protected from rusting by bolting on blocks of? [mr-61]
1. zinc
2. tin
3. copper
4. iron
Steel pipes underground can be protected from rusting by attaching blocks of? [mr-62]
1. tin
2. magnesium
3. copper
4. iron
Aluminium window frames do not corrode away because the aluminium is? [mr-63]
1. not reactive enough with oxygen
2. not reactive enough with water
3. coated in a layer of aluminium oxide
4. not capable of forming an oxide
Rust protection from galvanising steel car bodies is done by coating the metal in? [mr-64]
1. tin
2. copper
3. hard wearing paint
4. zinc
The rusting of iron is described as an oxidation because the iron atoms? [mr-65]
1. combine with oxygen atoms
2. gain electrons
3. combine with water molecules
4. are so reactive
Which reacts with water to form hydrogen? [mr-66]
1. zinc
2. potassium
3. copper
4. mercury
Copper can be used for roofing domes on buildings because it? [mr-67]
1. corrodes very slowly
2. cannot react with water and oxygen
3. forms a green carbonate layer on the surface
4. forms a black oxide layer on the surface
Salt water speeds up the corrosion of metals because it contains ions from salts like sodium chloride. Aluminium can be used for the upper structures of ships because the aluminium? [mr-68]
1. will not react at all with sea water
2. will not react with oxygen
3. is not capable of forming soluble aluminium chloride
4. is coated in a protective layer of aluminium oxide
In which reaction is a metal oxidised? [mr-69]
1. magnesium + water (steam) ==> magnesium oxide + hydrogen
2. carbon + oxygen ==> carbon dioxide
3. hydrogen + lead oxide ==> lead + water
4. copper oxide + carbon ==> copper + carbon dioxide
In which reaction is a solid non-metal oxidised? [mr-70]
1. magnesium + water (steam) ==> magnesium oxide + hydrogen
2. carbon + water ==> hydrogen + carbon monoxide
3. hydrogen + lead oxide ==> lead + water
4. copper oxide + hydrogen ==> copper + water
In which reaction is a gaseous non-metal oxidised? [mr-71]
1. magnesium + water ==> magnesium hydroxide + hydrogen
2. carbon + water ==> hydrogen + carbon monoxide
3. hydrogen + lead oxide ==> lead + water
4. copper oxide + carbon ==> copper + carbon dioxide
In which reaction is a metal oxide reduced? [mr-72]
1. magnesium + water ==> magnesium hydroxide + hydrogen
2. carbon + water ==> hydrogen + carbon monoxide
3. water (steam) + magnesium ==> magnesium oxide + hydrogen
4. copper oxide + carbon ==> copper + carbon dioxide
Four chemical changes are shown below as part, or full, word equations. Which can be described as an oxidation only? [mr-73]
1. carbon ==> carbon monoxide
2. lead oxide ==> lead
3. copper oxide + hydrogen ==> copper + water
4. carbon dioxide ==> carbon monoxide
Four chemical changes are shown below as part, or full, word equations. Which can be described as a reduction only? [mr-74]
1. carbon ==> carbon monoxide
2. lead oxide ==> lead
3. copper oxide + hydrogen ==> copper + water
4. carbon monoxide ==> carbon dioxide
Four chemical changes are shown below as part, or full, word equations. Which can be described as an oxidation and reduction (redox)? [mr-75]
1. carbon ==> carbon monoxide
2. lead oxide ==> lead
3. copper oxide + hydrogen ==> copper + water
4. carbon monoxide ==> carbon dioxide
Four chemical changes are shown below as part, or full, word equations. Which can be described as an oxidation and reduction (redox)? [mr-76]
1. carbon ==> carbon monoxide
2. lead oxide ==> lead
3. carbon dioxide ==> carbon monoxide
4. iron oxide + carbon ==> iron + carbon dioxide
Given the following four observations of the reactions of four metals ...
(1) Metals F and G slowly react with water
(2) Metal H will displace metal G form its chloride salt solution
(3) Metal E will not react with dilute acids
(4) Metal H will NOT displace metal F from its sulphate salt solution
What is their reactivity order, from the most to the least reactive? [mr-86]
1. F > H > G > E
2. H > E > F > G
3. E > G > H > F
4. H > G > F > E
Given the following five observations of the reactions of four metals with hydrogen (H), carbon (C) and other metal oxides ...
(1) Metal Y can displace metal Z from its oxide
(2) Carbon can displace metal W and metal X from their oxides
(3) Hydrogen will displace metal W from its oxide
(4) Hydrogen will NOT displace metal X from its oxide
(5) Carbon will NOT displace metals Y and Z from their oxides
What is their reactivity order, from the most to the least reactive? [mr-87]
1. (C) > W > X (H) > Y > Z
2. Y > Z > (C) > X > (H) > W
3. Z > Y > (C) > W > (H) > X
4. Y > W > (C) > X > (H) > Z
Underground pipes made of steel (alloy of iron) can be protected from rusting if you attach metal blocks made of a? [mr-88]
1. chromium alloy
2. less reactive metal than iron
3. metal more reactive than iron
4. a metal of similar reactivity
Stainless steel is made by alloying iron, nickel and ? [mr-89]
1. copper
2. aluminium
3. magnesium
4. chromium
Roofs of buildings made of copper weather to give a compound ? in colour. [mr-90]
1. green
2. orange
3. black
4. white
Roofs of buildings made of iron weather to give a compound ? in colour. [mr-91]
1. green
2. orange
3. black
4. white
When copper is heated in air, the oxide compound formed is ? in colour. [mr-92]
1. green
2. orange
3. black
4. white
When magnesium burns in air, the oxide compound formed is ? in colour. [mr-93]
1. green
2. orange
3. black
4. white
Given the following three observations of the reactions of four metals ...
(1) Metal O will displace metal N from its chloride
(2) Only metal L reacts with cold water
(3) Metal N reacts faster with acid than metal M
What is their reactivity order, from the most to the least reactive? [mr-94]
1. L > O > N > M
2. O > L > N > M
3. L > N > O > M
4. M > O > N > L
Given the following ionic redox equation for the displacement of copper from copper(II) sulphate using zinc metal ...
Zn_(s) + Cu²⁺_(aq) ==> Zn²⁺_(aq) + Cu_(s)
In the reaction which is oxidised? [mr-41]
1. Zn_(s)
2. Cu²⁺_(aq)
3. Zn²⁺_(aq)
4. Cu_(s)
Given the following ionic redox equation for the displacement of copper from copper(II) sulphate using zinc metal ...
Zn_(s) + Cu²⁺_(aq) ==> Zn²⁺_(aq) + Cu_(s)
In the reaction which is reduced? [mr-42]
1. Zn_(s)
2. Cu²⁺_(aq)
3. Zn²⁺_(aq)
4. Cu_(s)
Given the following ionic redox equation for the displacement of copper from copper(II) sulphate using zinc metal ...
Zn_(s) + Cu²⁺_(aq) ==> Zn²⁺_(aq) + Cu_(s)
In the reaction which is formed by an electron loss or oxidation process? [mr-43]
1. Zn_(s)
2. Cu²⁺_(aq)
3. Zn²⁺_(aq)
4. Cu_(s)
Given the following ionic redox equation for the displacement of copper from copper(II) sulphate using zinc metal ...
Zn_(s) + Cu²⁺_(aq) ==> Zn²⁺_(aq) + Cu_(s)
In the reaction which is formed by an electron gain or reduction process? [mr-44]
1. Zn_(s)
2. Cu²⁺_(aq)
3. Zn²⁺_(aq)
4. Cu_(s)
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. The copper-zinc cell gives a voltage of 1.10 V. What voltage would be produced by a magnesium-iron cell? [mr-53]
1. 1.90 V
2. 2.80 V
3. 2.45 V
4. 2.35 V
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. The copper-zinc cell gives a voltage of 1.10 V. What voltage would be produced by a zinc-silver cell? [mr-54]
1. 0.04 V
2. 1.56 V
3. 1.25 V
4. 0.41 V
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. The copper-zinc cell gives a voltage of 1.10 V. Which combination of metals will give a voltage of 0.79 V? [mr-55]
1. magnesium-copper
2. tin-zinc
3. copper-iron
4. tin-silver
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. The copper-zinc cell gives a voltage of 1.10 V. Which combination of metals will give a voltage of 0.95 V? [mr-56]
1. zinc-silver
2. tin-zinc
3. copper-iron
4. tin-silver
Given the following equation: Mg_(s) + ? ==> MgCl_2(aq) + H_2(g)
Which of A-D is missing ? [mr-77]
1. 2HCl_(aq)
2. H₂Cl_2(aq)
3. HCl_(aq)
4. (HCl)_2(aq)
Given the following equation: Ca_(s) + 2H₂O_(l) ==> ? + H_2(g)
Which of A-D missing ? [mr-78]
1. CaOH_2(aq)
2. Ca(OH)_2(aq)
3. 2CaOH_(aq)
4. Ca₂OH_(aq)
Given the following equation: Zn_(s) + H₂SO_4(aq) ==> ? + H_2(g)
Which of A-D is missing ? [mr-79]
1. 2ZnSO_4(aq)
2. Zn₂SO_4(aq)
3. ZnSO_4(aq)
4. Zn(SO₄)_2(aq)
Given the following equation: Mg_(s) + ? ==> MgO_(s) H_2(g)
Which of A-D is missing ? [mr-80]
1. OH_(g)
2. H₂O_2(g)
3. OH_2(g)
4. H₂O_(g)
Given the following equation: Zn_(s) + ? ==> ZnSO_4(aq) + Fe_(s)
Which of A-D is missing ? [mr-81]
1. FeSO_4(aq)
2. Fe₂SO_4(aq)
3. Fe(SO₄)_2(aq)
4. H₂SO_4(aq)
Given the following equation: ? + 3Zn_(s) ==> 2Fe_(s) + 3ZnSO_4(aq)
Which of A-D is missing ? [mr-82]
1. 2FeSO_4(aq)
2. Fe₂(SO₄)_3(aq)
3. 3FeSO_4(aq)
4. Fe(SO₄)_3(aq)
Given the following equation: 2Al_(s) + 3CuO_(s) ==> ? + 3Cu_(s)
Which of A-D is missing ? [mr-83]
1. 2AlO_3(s)
2. AlO_3(s)
3. Al₂O_3(s)
4. Al₃O_2(s)
Given the following equation: 2K_(s) + 2H₂O_(l) ==> ? + H_2(g)
Which of A-D is missing ? [mr-84]
1. KOH_(aq)
2. KOH_2(aq)
3. K₂OH_(aq)
4. 2KOH_(aq)
The rusting of iron is described as an oxidation because the iron atoms? [mr-85]
1. lose electrons
2. lose oxygen atoms
3. combine with water
4. are not very reactive
Which of the following is a definition of oxidation? [mr-95]
1. gain of electrons
2. loss of electrons
3. gain of hydrogen
4. loss of oxygen
Which of the following is a definition of reduction? [mr-96]
1. gain of oxygen
2. loss of electrons
3. gain of electrons
4. loss of hydrogen
Which of the following is a definition of reduction? [mr-97]
1. gain of oxygen
2. loss of electrons
3. loss of hydrogen
4. loss of oxygen
Galvanising, means 'coating with zinc', and is used to protect iron and steel objects from corrosion. The object can be dipped in a bath of molten zinc! but it is now mainly done by electrolysis. At the positive electrode? [mr-98]
1. zinc atoms lose electrons and form zinc ions
2. zinc ions gain electrons and form zinc atoms
3. zinc atoms gain electrons and form zinc ions
4. zinc ions lose electrons and form zinc atoms
Galvanising, means 'coating with zinc', and is used to protect iron and steel objects from corrosion. The object can be dipped in a bath of molten zinc! but it is now mainly done by electrolysis. At the negative electrode? [mr-99]
1. zinc atoms lose electrons and form zinc ions
2. zinc ions gain electrons and form zinc atoms
3. zinc atoms gain electrons and form zinc ions
4. zinc ions lose electrons and form zinc atoms
Galvanising, means 'coating with zinc', and is used to protect iron and steel objects from corrosion. The object can be dipped in a bath of molten zinc! but it is now mainly done by electrolysis. The process at the positive electrode is described as a ...?... reaction. [mr-100]
1. a displacement
2. a redox
3. an oxidation
4. a reduction
Galvanising, means 'coating with zinc', and is used to protect iron and steel objects from corrosion. The object can be dipped in a bath of molten zinc! but it is now mainly done by electrolysis. The process at the negative electrode is described as ...?... reaction. [mr-101]
1. a displacement
2. a redox
3. an oxidation
4. a reduction
Galvanising, means 'coating with zinc', and is used to protect iron and steel objects from corrosion. The object can be dipped in a bath of molten zinc! but it is now mainly done by electrolysis. The overall process is described as ...?... reaction. [mr-102]
1. a redox
2. a displacement
3. an oxidation
4. a reduction
Galvanising means coating an iron (Fe) or steel object with a layer of zinc (Zn) to protect it from corrosion. Steel cans can also be coated with tin (Sn), also to protect it from corrosion, including fruit juices in 'tin' cans. When the zinc coating is scratched through to the iron underneath, the iron still does not corrode intially. However, if the tin surface is scratched through to the iron, the iron corrodes even faster compared to when there was no coating at. This means? [mr-103]
1. iron corrodes faster when connected to a more reactive metal
2. iron corrodes faster when connected to a less reactive metal
3. tin is more reactive than iron
4. zinc is less reactive than iron
Galvanising means coating an iron (Fe) or steel object with a layer of zinc (Zn) to protect it from corrosion. Steel cans can also be coated with tin (Sn), also to protect it from corrosion, including fruit juices in 'tin' cans. When the zinc coating is scratched through to the iron underneath, the iron still does not corrode intially. However, if the tin surface is scratched through to the iron, the iron corrodes even faster compared to when there was no coating at. This means? [mr-104]
1. iron corrodes faster when connected to a more reactive metal
2. iron corrodes slower when connected to a less reactive metal
3. tin is less reactive than iron
4. zinc is less reactive than iron
Galvanising means coating an iron (Fe) or steel object with a layer of zinc (Zn) to protect it from corrosion. Steel cans can also be coated with tin (Sn), also to protect it from corrosion, including fruit juices in 'tin' cans. When the zinc coating is scratched through to the iron underneath, the iron still does not corrode intially. However, if the tin surface is scratched through to the iron, the iron corrodes even faster compared to when there was no coating at. This means? [mr-105]
1. iron corrodes faster when connected to a more reactive metal
2. iron corrodes slower when connected to a less reactive metal
3. tin is less reactive than iron
4. zinc is less reactive than iron
Galvanising means coating an iron (Fe) or steel object with a layer of zinc (Zn) to protect it from corrosion. Steel cans can also be coated with tin (Sn), also to protect it from corrosion, including fruit juices in 'tin' cans. When the zinc coating is scratched through to the iron underneath, the iron still does not corrode intially. However, if the tin surface is scratched through to the iron, the iron corrodes even faster compared to when there was no coating at. This means? [mr-106]
1. iron corrodes faster when connected to a more reactive metal
2. iron corrodes slower when connected to a less reactive metal
3. tin is more reactive than iron
4. zinc is more reactive than iron
Galvanising means coating an iron (Fe) or steel object with a layer of zinc (Zn) to protect it from corrosion. Steel cans can also be coated with tin (Sn), also to protect it from corrosion, including fruit juices in 'tin' cans. When the zinc coating is scratched through to the iron underneath, the iron still does not corrode intially. However, if the tin surface is scratched through to the iron, the iron corrodes even faster compared to when there was no coating at. This means? [mr-107]
1. iron corrodes slower when connected to a more reactive metal
2. iron corrodes slower when connected to a less reactive metal
3. tin is more reactive than iron
4. zinc is less reactive than iron
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. Some of the first 'batteries' were made from dipping strips of zinc and copper into their salt solutions, but even a solution of acid works too. The electrode potential (V) is a measure of how easily a metal loses electrons. The more negative the potential the more easily the metal atoms lose electrons. The potential difference of the cell (p.d. in Volts) is the difference between the two electrode potentials of the two metals (shown in the table compared to hydrogen). What voltage does this cell produce if copper and zinc electrodes are used? [mr-108]
1. 0.42 V
2. 1.10 V
3. 0.76 V
4. 0.34 V
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. Some of the first 'batteries' were made from dipping strips of zinc and copper into their salt solutions, but even a solution of acid works too. The electrode potential (V) is a measure of how easily a metal loses electrons. The more negative the potential the more easily the metal atoms lose electrons. The potential difference of the cell (p.d. in Volts) is the difference between the two electrode potentials of the two metals (shown in the table compared to hydrogen). Which two metals will give a cell voltage of 1.25V? [mr-109]
1. copper and magnesium
2. zinc and iron
3. silver and iron
4. tin and zinc
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. Some of the first 'batteries' were made from dipping strips of zinc and copper into their salt solutions, but even a solution of acid works too. The electrode potential (V) is a measure of how easily a metal loses electrons. The more negative the potential the more easily the metal atoms lose electrons. The potential difference of the cell (p.d. in Volts) is the difference between the two electrode potentials of the two metals (shown in the table compared to hydrogen). Which two metals will give a cell voltage of 0.65V? [mr-110]
1. copper and magnesium
2. zinc and iron
3. silver and iron
4. tin and zinc
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. Some of the first 'batteries' were made from dipping strips of zinc and copper into their salt solutions, but even a solution of acid works too. The electrode potential (V) is a measure of how easily a metal loses electrons. The more negative the potential the more easily the metal atoms lose electrons. The potential difference of the cell (p.d. in Volts) is the difference between the two electrode potentials of the two metals (shown in the table compared to hydrogen). Which statement is TRUE if copper and zinc metal electrodes are used? [mr-111]
1. Zn_(s) ==> Zn²⁺_(aq) + 2e^- occurs on the zinc plate
2. copper will deposit on the copper plate
3. Cu_(s) ==> Cu²⁺_(aq) + 2e^- occurs on the copper plate
4. the zinc plate will turn red-brown in colour
A simple battery cell can be made by connecting two metal strips dipped into a conducting solution of ions to form a complete circuit. Some of the first 'batteries' were made from dipping strips of zinc and copper into their salt solutions, but even a solution of acid works too. The electrode potential (V) is a measure of how easily a metal loses electrons. The more negative the potential the more easily the metal atoms lose electrons. The potential difference of the cell (p.d. in Volts) is the difference between the two electrode potentials of the two metals (shown in the table compared to hydrogen). Which statement is TRUE if copper and zinc metal electrodes are used? [mr-112]
1. Zn²⁺_(aq) + 2e^- ==> Zn_(s) occurs on the zinc plate
2. the zinc elecrode slowly dissolves
3. Cu_(s) ==> Cu²⁺_(aq) + 2e^- occurs on the copper plate
4. the zinc electrode plate will turn red-brown in colour
The diagram shows the results of some sacrificial rust protection experiments. When silver is connected to iron, electrons transfer from iron to silver. This causes? [mr-113]
1. iron ions to change to iron atoms
2. silver atoms to change to silver ions
3. iron atoms to change to iron ions
4. silver ions to change to silver atoms
The diagram shows the results of some sacrificial rust protection experiments. When zinc is connected to iron, electrons transfer from zinc to iron. This causes? [mr-114]
1. iron ions to change to iron atoms
2. zinc ions to change to zinc atoms
3. iron atoms to change to iron ions
4. zinc atoms to change to zinc ions
If an iron sheet is dipped into a silver nitrate solution it becomes coated in grey layer of silver. The overall reaction is an example of? [mr-115]
1. displacement
2. reduction only
3. electrolysis
4. neutralisation
If an iron sheet is dipped into a copper sulphate solution it becomes coated in pink-brown deposit of copper. This formation of the copper is an example of? [mr-116]
1. oxidation only
2. reduction only
3. electrolysis
4. neutralisation
Which of the following is a chemical test for the gas hydrogen? [id-01]
1. pops with lit splint
2. turns limewater cloudy
3. relights a glowing splint
4. bleaches damp litmus paper white
Which of the following is a chemical test for the gas carbon dioxide? [id-02]
1. pops with a lit splint
2. turns limewater cloudy/milky (white precipitate)
3. relights a glowing splint
4. bleaches damp litmus paper white
Which of the following is a chemical test for the gas oxygen? [id-03]
1. pops with a lit splint
2. turns limewater cloudy
3. relights a glowing splint
4. bleaches damp litmus paper white
Which of the following is a chemical test for the gas chlorine? [id-04]
1. pops with a lit splint
2. turns limewater cloudy
3. relights a glowing splint
4. bleaches damp litmus paper white
Which gas is formed when a metal reacts with an acid? [id-05]
1. hydrogen, H₂
2. carbon dioxide, CO₂
3. oxygen, O₂
4. chlorine, Cl₂
Which gas is formed when an acid reacts with a carbonate? [id-06]
1. hydrogen, H₂
2. carbon dioxide, CO₂
3. oxygen, O₂
4. chlorine, Cl₂
A gas turns damp red litmus paper blue. The gas is? [id-07]
1. carbon dioxide, CO₂
2. oxygen, O₂
3. ammonia, NH₃
4. sulfur dioxide, SO₂
A gas turns damp orange potassium dichromate(VI) paper green. The gas is? [id-08]
1. carbon dioxide, CO₂
2. oxygen, O₂
3. ammonia, NH₃
4. sulfur dioxide, SO₂
A brown solution of a substance turns dark blue when a drop of starch solution was added. The substance is most likely to be? [id-09]
1. iodine, I₂
2. chlorine, Cl₂
3. bromine, Br₂
4. sulphur dioxide, SO₂
Which of the following descriptions describes a simple chemical test for chloride ions in a solution? [id-10]
1. A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
2. A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
3. A few cm³ of dilute hydrochloric acid is added and any gas formed is tested with limewater.
4. A few cm³ of dilute sodium hydroxide is added and any gas formed is tested with red litmus.
A few cm³ of dilute nitric acid followed by a few drops of silver nitrate solution is added to a solution of a salt. If a white precipitate forms, which ion from the salt is most likely to be in the solution? (Extra advanced level observation: The white precipitate dissolves in ammonia solution.) [id-11]
1. sulfate ion, SO₄^2-
2. chloride ion, Cl^-
3. bromide ion, Br^-
4. iodide ion, I^-
A few cm³ of dilute nitric acid followed by a few drops of silver nitrate solution is added to a solution of a salt. If a cream precipitate forms, which ion from the salt is most likely to be in the solution? (Extra advanced level observation: The cream precipitate slightly dissolves in conc. ammonia solution.) [id-12]
1. sulfate ion, SO₄^2-
2. chloride ion, Cl^-
3. bromide ion, Br^-
4. iodide ion, I^-
A few cm³ of dilute nitric acid followed by a few drops of silver nitrate solution is added to a solution of a salt. If a pale yellow precipitate forms, which ion from the salt is most likely to be in the solution? (Extra advanced level observation: The pale yellow precipitate is insoluble with conc. ammonia solution.) [id-13]
1. sulfate ion, SO₄^2-
2. chloride ion, Cl^-
3. bromide ion, Br^-
4. iodide ion, I^-
Which of the following descriptions describes a simple chemical test for sulphate ions in a solution? [id-14]
1. A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
2. A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
3. A few cm³ of dilute hydrochloric acid is added and any gas formed is tested with limewater.
4. A few cm³ of dilute sodium hydroxide is added, the mixture gently warmed and any gas formed is tested with red litmus.
Which of the following descriptions describes a simple chemical test for carbonate ions in a solution? [id-15]
1. A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
2. A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
3. A few cm³ of dilute hydrochloric acid is added and any gas formed is tested with limewater.
4. A few cm³ of dilute sodium hydroxide is added, the mixture gently warmed and any gas formed is tested with red litmus.
Which of the following descriptions describes a simple chemical test for ammonium ions in a solution? [id-16]
1. A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
2. A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
3. A few cm³ of dilute hydrochloric acid is added and any gas formed is tested with limewater.
4. A few cm³ of dilute sodium hydroxide is added, the mixture gently warmed and any gas formed is tested with red litmus.
A few drops of sodium hydroxide solution was added to a metal salt solution. A dark green gelatinous precipitate was formed. Which metal ion (cation) was present in the salt solution? [id-17]
1. iron(II) ion, Fe²⁺
2. iron(III) ion, Fe³⁺
3. copper(II) ion, Cu²⁺
4. zinc ion, Zn²⁺
A few drops of sodium hydroxide solution was added to a metal salt solution. A brown gelatinous precipitate was formed. Which metal ion (cation) was present in the salt solution? [id-18]
1. iron(II) ion, Fe²⁺
2. iron(III) ion, Fe³⁺
3. copper(II) ion, Cu²⁺
4. zinc ion, Zn²⁺
A few drops of sodium hydroxide solution was added to a metal salt solution. A blue gelatinous precipitate was formed. Which metal ion (cation) was present in the salt solution? [id-19]
1. iron(II) ion, Fe²⁺
2. iron(III) ion, Fe³⁺
3. copper(II) ion, Cu²⁺
4. zinc ion, Zn²⁺
A few drops of sodium hydroxide solution was added to a metal salt solution. A white gelatinous precipitate was formed. Which metal ion (cation) was present in the salt solution? (Advanced level note: The white precipitate dissolves in excess dil. sodium hydroxide to give a clear colourless solution) [id-20]
1. iron(II) ion, Fe²⁺
2. iron(III) ion, Fe³⁺
3. copper(II) ion, Cu²⁺
4. zinc ion, Zn²⁺
A sample of a salt was dissolved in hydrochloric acid. A platinum wire was dipped into the solution and then placed in a roaring bunsen flame. A bright yellow flame colour was produced. From this 'flame test' observation, what was the identity of the metal ion in the salt? [id-21]
1. sodium ion, Na⁺
2. copper(II) ion, Cu²⁺
3. potassium ion, K⁺
4. calcium ion, Ca²⁺
A sample of a salt was dissolved in hydrochloric acid. A platinum wire was dipped into the solution and then placed in a roaring bunsen flame. A blue flame colour was produced. From this 'flame test' observation, what was the identity of the metal ion in the salt? [id-22]
1. sodium ion, Na⁺
2. copper(II) ion, Cu²⁺
3. potassium ion, K⁺
4. calcium ion, Ca²⁺
A sample of a salt was dissolved in hydrochloric acid. A platinum wire was dipped into the solution and then placed in a roaring bunsen flame. A lilac/violet flame colour was produced. From this 'flame test' observation, what was the identity of the metal ion in the salt? [id-23]
1. sodium ion, Na⁺
2. copper(II) ion, Cu²⁺
3. potassium ion, K⁺
4. calcium ion, Ca²⁺
A sample of a salt was dissolved in hydrochloric acid. A platinum wire was dipped into the solution and then placed in a roaring bunsen flame. A brick red flame colour was produced. From this 'flame test' observation, what was the identity of the metal ion in the salt? [id-24]
1. sodium ion, Na⁺
2. copper(II) ion, Cu²⁺
3. potassium ion, K⁺
4. calcium ion, Ca²⁺
A white solid X dissolved in dilute hydrochloric. A colourless gas evolved which turned limewater milky. When a drop of the solution, on the end of a platinum wire, a bright yellow flame colour was observed when the platinum wire was placed in a roaring bunsen flame. From these observations deduce the identity of substance X. [id-25]
1. sodium carbonate, Na₂CO₃
2. potassium sulfite, K₂SO₃
3. calcium carbonate, CaCO₃
4. sodium sulfate, Na₂SO₄
A blue solid X was dissolved in water and the solution divided into two portions. When a few drops of sodium hydroxide was added to the 1st portion, a blue gelatinous precipitate formed. When a few drops of dilute nitric acid, followed by a few drops of barium nitrate solution was added to the 2nd portion, a white precipitate formed. From these observations deduce the identity of substance X. [id-26]
1. calcium sulphate, CaSO₄
2. copper(II) sulphate, CuSO₄
3. potassium chloride, KCl
4. copper(II) chloride, CuCl₂
Colourless crystals of substance X were dissolved in water and a few drops of dil. nitric acid, followed by a few drops of silver nitrate solution were added, and a white precipitate formed. A few crystals of X were mixed with a few drops of conc. hydrochloric acid. When a platinum wire was dipped in this mixture, and then placed in a roaring bunsen flame, a red flame colour was seen. From these observations deduce the identity of substance X. [id-27]
1. potassium sulphate, K₂SO₄
2. copper(II) chloride, CuCl₂
3. calcium chloride, CaCl₂
4. sodium sulfate, Na₂SO₄
Colourless crystals of substance X were dissolved in water and a few drops of dil. nitric acid, followed by a few drops of silver nitrate solution were added, and a yellow precipitate formed. A few crystals of X were mixed with a few drops of conc. hydrochloric acid. When a platinum wire was dipped in this mixture, and then placed in a roaring bunsen flame, a purple-lilac flame colour was seen. From these observations deduce the identity of substance X. [id-28]
1. lead(II) iodide, PbI₂
2. potassium sulphate, K₂SO₄
3. copper(II) chloride, CuCl₂
4. potassium iodide, KI
To a colourless solution X, a few drops of dil. nitric acid, followed by a few drops of silver nitrate solution were added, and a white precipitate formed. When a few drops of litmus solution were added to solution X, the solution turned red. There was no characteristic flame colour when a drop of X on the end of a platinum wire, was placed in a roaring bunsen flame. From these observations deduce the identity of solution X. [id-29]
1. hydrochloric acid, HCl
2. sulphuric acid, H₂SO₄
3. sodium hydroxide, NaOH
4. calcium hydroxide, Ca(OH)₂
To a colourless solution X, a few drops of dil. hydrochloric acid were added, followed by a few drops of barium chloride, and a white precipitate formed. When a few drops of litmus solution were added to solution X, the solution turned red. There was no characteristic flame colour when a drop of X on the end of a platinum wire, was placed in a roaring bunsen flame. From these observations deduce the identity of solution X. [id-30]
1. hydrochloric acid, HCl
2. sulphuric acid, H₂SO₄
3. sodium hydroxide, NaOH
4. calcium hydroxide, Ca(OH)₂
A colourless solution gave bright yellow flame colour when tested on the end of a platinum wire placed in a roaring bunsen flame. When a few drops of litmus solution were added to solution X, the solution turned blue. From these observations deduce the identity of solution X. [id-31]
1. hydrochloric acid, HCl
2. sulphuric acid, H₂SO₄
3. sodium hydroxide, NaOH
4. calcium hydroxide, Ca(OH)₂
A colourless solution gave a brick red colour flame when tested on the end of a platinum wire placed in a roaring bunsen flame. When a few drops of litmus solution were added to solution X, the solution turned blue. From these observations deduce the identity of solution X. [id-32]
1. hydrochloric acid, HCl
2. sulphuric acid, H₂SO₄
3. sodium hydroxide, NaOH
4. calcium hydroxide, Ca(OH)₂

OCR GCSE 9-1 Gateway Chemistry QUIZ Topic C4 "Predicting & identifying reactions & products" (HT)

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