Which metal is more reactive than magnesium? [mr-2]
Gold
Sodium
Iron
Aluminium
Which metal is more reactive than hydrogen but less reactive than carbon? [mr-3]
Gold
Sodium
Iron
Aluminium
Which metal is less reactive than sodium but cannot be extracted using carbon? [mr-4]
Gold
Potassium
Iron
Aluminium
Which is formed when a metal reacts with cold water? [mr-5]
a metal hydroxide
a salt
carbon dioxide
an oxide
Which is a compound formed when a metal reacts with an acid? [mr-6]
a metal hydroxide
a salt
hydrogen
an oxide
Which is formed when a metal reacts with either water or an acid? [mr-7]
a metal hydroxide
a salt
hydrogen
an oxide
Which is formed when a heated metal reacts with steam? [mr-8]
a metal hydroxide
a salt
carbon dioxide
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
sulfate salt solution of Yc, YcSO4(aq). Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(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]
metal Xb
metal Zd
metal Yc
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
sulfate salt solution of Yc, YcSO4(aq). Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(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]
metal Xb
metal Zd
metal Yc
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
sulfate salt solution of Yc, YcSO4(aq). Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(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]
metal Xb
metal Zd
metal Yc
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
sulfate salt solution of Yc, YcSO4(aq). Metal Zd will NOT displace Xb from the chloride salt solution of Xb, XbCl2(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]
metal Xb
metal Zd
metal Yc
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]
copper
hydrogen
iron
magnesium
From the four elements listed, which is a non-metal with no metallic character at all? [mr-14]
copper
hydrogen
iron
magnesium
From the four elements listed, which is a metal that displaces hydrogen from acids but not from cold water? [mr-15]
copper
gold
iron
magnesium
From the four elements listed, which is a metal that cannot be extracted by displacement with carbon? [mr-16]
copper
hydrogen
iron
magnesium
Which is formed by the reaction of heated magnesium with steam? [mr-17]
magnesium oxide + hydrogen
magnesium hydroxide + hydrogen
magnesium chloride + hydrogen
magnesium
sulfate + hydrogen
Which is formed by the reaction of magnesium with cold water? [mr-18]
magnesium oxide + hydrogen
magnesium hydroxide + hydrogen
magnesium chloride + hydrogen
magnesium
sulfate + hydrogen
Which is formed by the reaction of magnesium with hydrochloric acid? [mr-19]
magnesium chloride + water
magnesium hydroxide + hydrogen
magnesium chloride + hydrogen
magnesium
sulfate + chlorine
Which is formed by the reaction of magnesium with
sulfuric acid? [mr-20]
magnesium
sulfate + water
magnesium hydroxide +
sulfur dioxide
magnesium chloride + hydrogen
magnesium
sulfate + hydrogen
Which of A to D is less reactive than copper? [mr-21]
Platinum
Potassium
Zinc
Magnesium
Which is more reactive than magnesium? [mr-22]
Platinum
Potassium
Zinc
Tin
Which is more reactive than hydrogen but less reactive than carbon? [mr-23]
Platinum
Potassium
Zinc
Magnesium
Which is less reactive than sodium but cannot be extracted from its ore using carbon? [mr-24]
Platinum
Potassium
Zinc
Magnesium
Which is found in rocks as the metal itself? [mr-25]
Gold
Carbon
Zinc
Potassium
Which is a non-metal with a little metallic character? [mr-26]
Gold
Carbon
Zinc
Potassium
Which is a metal that displaces hydrogen from dilute acids but not from cold water? [mr-27]
Gold
Carbon
Zinc
Potassium
Which cannot be extracted from its ore with carbon? [mr-28]
Gold
iron
Zinc
Potassium
Which of these in contact with iron will cause rusting? [mr-29]
air and water
boiled saltwater
dry pure oxygen
pure boiled water
A steel pier in the sea rusts. The rust consists of? [mr-30]
Rust readily forms if an iron object is surrounded by? [mr-45]
water with dissolved oxygen
water with no dissolved oxygen
boiled dilute acid
dry air
Which of the following cannot be predicted about metal X, given its position in the reactivity series of metals? [mr-46]
whether X reacts with acid to form hydrogen
whether X acts as a catalyst
the method of extraction of X from an ore
the product of reacting metal X with the
sulfate solution of another metal
Which will displace iron from iron oxide? [mr-47]
tin
copper
magnesium
silver
Road tankers carrying acid use steel tanks lined with glass. The glass is used because? [mr-48]
glass only reacts with alkalis
steel is not strong enough on its own
glass is flexible enough to withstand a crash
acid reacts with steel forming hydrogen
Corrosion occurs when a metal is attacked by? [mr-49]
oxygen
hydrogen
nitrogen
carbon dioxide
When scrap iron is added to blue copper
sulfate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pinky-brown deposit is? [mr-50]
steel
copper metal
iron
sulfate
rust
When scrap iron is added to blue copper
sulfate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pale green solution is of? [mr-51]
sulfuric acid
iron oxide
iron
sulfate
copper chloride
When iron becomes coated in rust, the chemical process is an example of? [mr-52]
electrolysis
electroplating
reduction
oxidation
The steel hulls of ships can be protected from rusting by bolting on blocks of which more reactive metal? [mr-61]
zinc
tin
copper
iron
Steel pipes underground can be protected from rusting by attaching blocks of the more reactive metal? [mr-62]
tin
magnesium
copper
iron
Aluminium window frames do not corrode away because the aluminium is? [mr-63]
not reactive enough with oxygen
not reactive enough with water
coated in a layer of aluminium oxide
not capable of forming an oxide
The rusting of iron is described as an oxidation because the iron atoms? [mr-65]
combine with oxygen atoms
gain electrons
combine with water molecules
are so reactive
Which reacts with water to form hydrogen? [mr-66]
zinc
potassium
copper
mercury
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]
will not react at all with sea water
will not react with oxygen
is not capable of forming soluble aluminium chloride
is coated in a protective layer of aluminium oxide
In which reaction is a metal oxidised? [mr-69]
magnesium + water (steam) ==> magnesium oxide + hydrogen
carbon + oxygen ==> carbon dioxide
hydrogen + lead oxide ==> lead + water
copper oxide + carbon ==> copper + carbon dioxide
In which reaction is a solid non-metal oxidised? [mr-70]
magnesium + water (steam) ==> magnesium oxide + hydrogen
carbon + water ==> hydrogen + carbon monoxide
hydrogen + lead oxide ==> lead + water
copper oxide + hydrogen ==> copper + water
In which reaction is a gaseous non-metal oxidised? [mr-71]
magnesium + water ==> magnesium hydroxide + hydrogen
carbon + water ==> hydrogen + carbon monoxide
hydrogen + lead oxide ==> lead + water
copper oxide + carbon ==> copper + carbon dioxide
In which reaction is a metal oxide reduced? [mr-72]
magnesium + water ==> magnesium hydroxide + hydrogen
carbon + water ==> hydrogen + carbon monoxide
water (steam) + magnesium ==> magnesium oxide + hydrogen
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]
carbon ==> carbon monoxide
lead oxide ==> lead
copper oxide + hydrogen ==> copper + water
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]
carbon ==> carbon monoxide
lead oxide ==> lead
copper oxide + hydrogen ==> copper + water
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]
carbon ==> carbon monoxide
lead oxide ==> lead
copper oxide + hydrogen ==> copper + water
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]
carbon ==> carbon monoxide
lead oxide ==> lead
carbon dioxide ==> carbon monoxide
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
sulfate salt solution What is their reactivity order, from the most to the least reactive? [mr-86]
F > H > G > E
H > E > F > G
E > G > H > F
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]
(C) > W > X (H) > Y > Z
Y > Z > (C) > X > (H) > W
Z > Y > (C) > W > (H) > X
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 the more reactive metal? [mr-88]
chromium alloy
less reactive metal than iron
metal more reactive than iron
a metal of similar reactivity
When copper is heated in air, the oxide compound formed is ? in colour. [mr-92]
green
orange
black
white
When magnesium burns in air, the oxide compound formed is ? in colour. [mr-93]
green
orange
black
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]
L > O > N > M
O > L > N > M
L > N > O > M
M > O > N > L
Which statement is TRUE about the modern PERIODIC TABLE? [pt-14]
the elements are laid out in order of atomic number
elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-15]
the elements are laid out in order of relative atomic mass
elements in the same group have the same number of electrons in the outer shell or energy level
from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-16]
the elements are laid out in order of relative atomic mass
elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
elements in the same period use the same number of shells (energy levels)
most elements are non-metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-17]
the elements are laid out in order of relative atomic mass
elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
most elements are metals
Which statement is TRUE about the modern PERIODIC TABLE? [pt-18]
the elements are laid out in order of number of neutrons
elements in the same group have an increasing number of electrons in the outer shell with increase in atomic number down the group
from left to right, elements in the same period, use an increasing number of electron shells (energy levels)
the elements were originally laid out in order of atomic mass
Which of the elements shown has 1 outer electron? [pt-19]
element Q
element R
element Z
element G
Which of the elements shown is a Halogen? [pt-20]
element Q
element R
element Z
element G
Which of the elements shown is an Alkali Metal? [pt-21]
element Q
element R
element Z
element G
Which of the elements shown would be chemically the most similar? [pt-22]
elements Q and R
elements R and A
elements M and X
elements G and M
Which of the elements shown are in the same period? [pt-23]
elements Q and R
elements R and A
elements M and X
elements G and M
Which of the elements shown are both likely to be metals? [pt-24]
elements Z and Y
elements Q and R
elements G and E
elements T and W
Which of the elements shown are both Halogen non-metals with 7 outer electrons? [pt-25]
elements Z and Y
elements Q and R
elements G and E
elements T and W
Which of the elements shown are both in Group 3? [pt-26]
elements Z and Y
elements Q and E
elements G and E
elements D and Y
Which of the elements shown are both Noble Gases? [pt-27]
elements Z and T
elements Q and R
elements G and E
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]
Group 1
Group 7
Group 0
Transition Series
The Atomic Number of an element is? [pt-29]
the number of neutrons in the nucleus
the sum of the protons and neutrons in the nucleus
the number of protons in the nucleus
the number of electrons in the outer shell
The Mass Number of an element is? [pt-30]
the number of neutrons in the nucleus
the sum of the protons and neutrons in the nucleus
the number of protons in the nucleus
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]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a soft silvery solid? [pt-32]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that readily forms an M+ ion? [pt-33]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is rapidly oxidised (corroded) in air? [pt-34]
Group 1
Group 7
Group 0 (8)
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]
Group 1
Group 7
Group 0 (8)
Transition Series
Four electron arrangements are given below. Which is of an element in Group 5 of the Periodic Table? [pt-37]
2.5
2.7
2.8.8
2.8.8.1
Four electron arrangements are given below. Which is a Halogen? [pt-38]
2.5
2.7
2.8.8
2.8.8.1
Four electron arrangements are given below. Which is a Noble Gas? [pt-39]
2.5
2.7
2.8.8
2.8.8.1
Four electron arrangements are given below. Which is an Alkali Metal? [pt-40]
2.5
2.7
2.8.8
2.8.8.1
Four electron arrangements are given below. Which is of a Noble Gas? [pt-41]
2
2.3
2.8.5
2.8.8.2
Four electron arrangements are given below. Which is of a Period 1 element? [pt-42]
2
2.3
2.8.7
2.8.8.1
Four electron arrangements are given below. Which is of a Period 2 element? [pt-43]
2
2.3
2.8.6
2.8.8.2
Four electron arrangements are given below. Which is of a Group 3 element? [pt-44]
2
2.3
2.8.5
2.8.8.2
Four electron arrangements are given below. Which is of a Group 5 element? [pt-45]
2
2.3
2.8.5
2.8.8.2
Four electron arrangements are given below. Which is of a Period 3 element? [pt-46]
2.1
2.3
2.8.5
2.8.8.2
Four electron arrangements are given below. Which is of a Group 2 element? [pt-47]
2
2.3
2.8.6
2.8.8.2
Four electron arrangements are given below. Which is of a Period 4 element? [pt-48]
2
2.4
2.2
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]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a very reactive non-metal? [pt-52]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that shows little reaction with other elements? [pt-54]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a colourless gas? [pt-55]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that has a full outer electron shell? [pt-56]
Group 1
Group 7
Group 0 (8)
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]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a hard tough metal? [pt-60]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a high melting solid? [pt-61]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that forms a variety of coloured compounds? [pt-62]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that shows catalytic properties? [pt-63]
Group 1
Group 7
Group 0 (8)
Transition Series
Where in the Periodic Table are you MOST LIKELY to find an element that is a strong dense solid? [pt-64]
Group 1
Group 7
Group 0 (8)
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]
Group 1
Group 7
Group 0 (8)
Transition Series
Which of the following elements is a liquid non-metal at room temperature and pressure? [pt-66]
bromine
carbon
copper
mercury
Which of the following elements is a solid non-metal at room temperature and pressure? [pt-67]
bromine
carbon
copper
mercury
Which of the following elements is a solid metal at room temperature and pressure? [pt-68]
bromine
carbon
copper
mercury
Which of the following elements is a liquid metal at room temperature and pressure? [pt-69]
bromine
carbon
copper
mercury
Which of the following elements is a gas at room temperature and pressure? [pt-70]
nitrogen
sulfur
chromium
tin
Which of the following elements is a yellow solid non-metal at room temperature and pressure? [pt-71]
carbon
sulfur
chromium
tin
Which of the following elements is a shiny solid at room temperature and pressure? [pt-72]
carbon
sulfur
nickel
phosphorus
The diagram shows an outline of parts of the Periodic Table. In which section will you find the most reactive metals? [pt-73]
section 1
section 3
section 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]
section 1
section 3
section 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]
section 3 only
section 3 and 4
section 4 and 5
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]
section 1
section 3
section 4
section 5
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-77]
'light' and 'caloric' are neither elements or compounds
sulfur, phosphorus and charcoal are 'acid making elements' because they react with water to form acids
not all the 'metallic elements' listed are true elements
some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-78]
'light' and 'caloric' are an element and a compound respectively
sulfur, phosphorus and charcoal are 'acid making elements' because they form oxides which dissolve in water to form acids
not all the 'metallic elements' listed are true elements
some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-79]
'light' and 'caloric' are an element and a compound respectively
sulfur, phosphorus and charcoal are acid making elements because they react with water to form acids
all the 'metallic elements' listed are true elements
some of the 'earthy elements' really are elements
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-80]
'light' and 'caloric' are an element and a compound respectively
sulfur, phosphorus and charcoal are acid making elements because they react with water to form acids
not all the 'metallic elements' listed are true elements
none of the 'earthy elements' really are elements
Which statement about Mendeleev's 1869 Periodic Table of elements is TRUE? [pt-83]
If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl3
the group known as the Alkali Metals are missing
they were set out in order of atomic mass (atomic weight)
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]
the group known as the Alkali Metals are missing
If X represents the element misssing between silicon (Si) and tin (Sn) the formula of its chloride would be XCl
in the modern Periodic Table they are set out in order of atomic number
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]
a group is a complete horizontal row of similar elements
a period is a vertical column of elements of different chemical character
elements behave in the same way when the same number of electron shells are used
about a 1/4 of the elements are non-metals
Which statement is TRUE about the modern Periodic Table? [pt-93]
a group is a vertical column of elements of similar chemical character
a period is a vertical column of elements of different chemical character
elements behave in the same way when the same number of electron shells are used
about a 3/4 of the elements are non-metals
Which statement is TRUE about the modern Periodic Table? [pt-94]
a group is a vertical column of very different elements
a period is a complete horizontal row of elements of different chemical character
elements behave in the same way when the same number of electron shells are used
about a 1/4 of the elements are metals
Which statement is TRUE about the modern Periodic Table? [pt-95]
a group is a vertical column of very different elements
a period is a complete horizontal row of elements of similar chemical character
elements behave in the same way when the outer shell contains the same number of electrons
about a 1/4 of the elements are metals
Which statement about Lavoisier's 1789 classification of elements is TRUE? [pt-96]
he thought the 'earthy elements' were elements because many reacted with acids to form salts
sulfur, phosphorus and charcoal are acid making elements because they react with water to form acids
not all the 'metallic elements' listed are true elements
all of the 'earthy elements' are compounds
Which of the following is likely to be a Group 7 element? [pt-97]
a very toxic and reactive green gas
grey tough metal forming coloured compounds
readily corroded silvery solid that fizzes with water
an unreactive colourless gas
Which of the following is likely to be a Transition Metal? [pt-98]
a very toxic and reactive green gas
grey tough metal forming coloured compounds
readily corroded silvery solid that fizzes with water
an unreactive colourless gas
Which of the following is likely to be an Alkali Metal? [pt-99]
a very toxic and reactive green gas
grey tough metal forming coloured compounds
readily corroded silvery solid that fizzes with water
an unreactive colourless gas
Which of the following is likely to be a Noble Gas? [pt-100]
a very toxic and reactive green gas
low boiling liquid forming an unreactive gas
pale yellow reactive gas
an unreactive colourless gas
Which of the following is likely to be a Transition Metal? [pt-101]
orange high melting solid and good electrical conductor
soft low melting solid which is a good conductor of heat
very reactive red liquid
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]
orange high melting solid and good electrical conductor
soft low melting solid which is a good conductor of heat
very reactive red liquid
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]
orange high melting solid and good electrical conductor
soft low melting solid which is a good conductor of heat
very reactive red liquid
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]
orange high melting solid and good electrical conductor
soft low melting solid which is a good conductor of heat
very reactive red liquid
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]
have one electron in the outer shell
react fast with water to form an alkaline hydroxide
soft silvery solids
form an ionic chloride
The 'Halogen' non-metals are all in the same Group of the Periodic Table because they all? [pt-106]
form coloured vapours
have seven electrons in the outer shell
form ionic compounds with metals
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]
very unreactive elements
colourless gases
have a full outer shell of electrons
have a full inner shell of electrons
The 'Transition Metals' are all chemically similar because they? [pt-108]
are all strong metals due to strong chemical bonding
all have several free electrons per atom in the crystal strucure
are not very reactive metals
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]
the Noble Gas 'group' are missing
not all the halogens are correctly placed together in the same 'group'
not all the Alkali Metals are correctly placed together in the same 'group'
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]
some of the Noble Gas 'group' are included
not all the halogens are correctly placed together in the same 'group'
all the known Alkali Metals are correctly placed together in the same 'group'
transition metals are at least separated from non-metallic elements
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-1]
they become more reactive
the atoms get smaller
the melting point gets higher
the boiling point gets higher
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-2]
they become less reactive
the atoms get larger
the melting point gets higher
the boiling point gets higher
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-3]
they become less reactive
the atoms get smaller
the melting point gets lower
the boiling point gets higher
Which 'trend' is TRUE down the Alkali Metal Group with increase in atomic number? [gp1-4]
they become less reactive
the atoms get smaller
the melting point gets higher
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]
pH 1
pH 7
pH 10
pH 13
The salt sodium chloride is soluble in water and the pH of its aqueous solution is likely to be? [gp1-6]
pH 1
pH 7
pH 10
pH 13
Sodium carbonate solution is a weak alkali, the pH of its aqueous solution is likely to be? [gp1-7]
pH 1
pH 7
pH 10
pH 13
Sodium hydroxide is a strong alkali, the pH of its aqueous solution is likely to be? [gp1-8]
pH 1
pH 7
pH 10
pH 13
Which is TRUE about the Group 1 Alkali Metals? [gp1-17]
they have unusually low densities
they have unusually high melting points
they are typical hard metals
they are poor conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-18]
they have unusually high densities
they have unusually low melting points
they are typical hard metals
they are poor conductors of electritcity
Which is TRUE about the Group 1 Alkali Metals? [gp1-19]
they have unusually high densities
they have unusually high melting points
they are unusually soft metals
they are poor conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-20]
they have unusually high densities
they have unusually high melting points
they are typical hard metals
they are good conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-21]
they have unusually high densities
they have unusually high melting points
they are typical hard metals
they are good conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-22]
they have unusually high densities
they have typically high boiling points
they are typical hard metals
they are poor conductors of heat
Which is TRUE about the Group 1 Alkali Metals? [gp1-23]
when pure they are silver solids
they have untypically low boiling points
they are untypical hard metals
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]
when pure they are colourless solids
they have untypically low boiling points
they are kept under oil because of their reactivity to oxygen
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]
it will have a high melting point
it will be a green solid
it will not dissolve in water
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]
it will have a low melting point
it will be a white solid or colourless crystals
it will not dissolve in water
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]
it will have a low melting point
it will be a pale green solid
it will dissolve in water to give a neutral solution of pH 7
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]
it will have a low melting point
it will be a pale green solid
it will dissolve in water to give an alkaline solution of pH 14
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]
it will have a low melting point
it will be a pale green solid
it will dissolve in water to give a neutral solution of pH 7
it will be an ionic compound
Which is TRUE about the reaction of lithium and water containing universal indicator? [gp1-30]
the products are lithium hydroxide and hydrogen
the reaction is fast and endothermic
the indicator turns from neutral green (pH 7) to strongly acid red (pH 1)
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]
the products are lithium oxide and hydrogen
the reaction is fast and exothermic
the indicator turns from acid red (pH 3) to neutral green (pH 7)
the metal sinks but carries on reacting
Which is TRUE about the reaction of potassium and water containing universal indicator? [gp1-32]
the products are potassium oxide and hydrogen
the reaction is fast and endothermic
the indicator turns from neutral green (pH 7) to strongly alkaline purple (pH 14)
the metal sinks but carries on reacting
Which is TRUE about the reaction of lithium and water containing universal indicator? [gp1-33]
the products are lithium oxide and hydrogen
the reaction is fast and endothermic
the indicator turns from neutral green (pH 7) to weakly alkaline dark green (pH 8)
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]
the reaction is so exothermic the gas formed burns with a lilac flame
the products are potassium hydroxide and oxygen
the indicator turns from neutral green (pH 7) to weakly alkaline dark green (pH 8)
the gas formed re-ignites a glowing splint
Which of the elements listed is an Alkali Metal? [gp1-35]
element X
element D
element E
element W
Which of the elements listed is an Alkali Metal? [gp1-36]
element A
element J
element Z
element G
Given the equation ... 2Li(X) + 2H2O(?) ==> 2LiOH(?) + H2(?) Which state symbol should be where (X) is? [gp1-37]
(s)
(l)
(aq)
(g)
Given the equation ... 2Na(?) + 2H2O(X) ==> 2NaOH(?) + H2(?) Which state symbol should be where (X) is? [gp1-38]
(s)
(l)
(aq)
(g)
Given the equation ... 2K(?) + 2H2O(?) ==> 2KOH(X) + H2(?) Which state symbol should be where (X) is? [gp1-39]
(s)
(l)
(aq)
(g)
Given the equation ... 2Rb(?) + 2H2O(?) ==> 2RbOH(?) + H2(X) Which state symbol should be where (X) is? [gp1-40]
(s)
(l)
(aq)
(g)
In the Periodic Table a vertical column of similar elements is called a? [gp1-45]
Group
Period
Series
Block
In the Periodic Table a complete horizontal row elements of varying physical and chemical character is called a? [gp1-46]
Group
Period
Series
Block
In the Periodic Table part of a horizontal row elements of similar physical and chemical character is called a? [gp1-47]
Group
Period
Series
Block
In the Periodic Table, the elements were originally laid out in order of? [gp1-48]
atomic number
reactivity
atomic radius
atomic mass
In the modern Periodic Table, the elements are now laid out in order of? [gp1-49]
atomic number
reactivity
atomic radius
atomic mass
Which element is very similar physically and chemically to potassium? [gp1-50]
chlorine
sodium
helium
sulfur
Which is a metal that floats on, and reacts with, water and the product turns universal indicator purple? [gp1-51]
iron
bromine
lithium
helium
The element sodium is stored under oil because it? [gp1-52]
floats on water
is less dense than oil
cannot react with air
reacts rapidly with water
When sodium reacts with water, the products are? [gp1-53]
sodium hydroxide and hydrogen
sodium hydroxide and oxygen
sodium hydride and oxygen
sodium oxide and hydrogen
Which element is a liquid non-metal at room temperature and pressure? [gp1-61]
bromine
carbon
copper
mercury
Which element is a solid non-metal at room temperature and pressure? [gp1-62]
bromine
carbon
copper
mercury
Which element is a solid metal at room temperature and pressure? [gp1-63]
bromine
carbon
copper
mercury
Which element is a liquid metal at room temperature and pressure? [gp1-64]
bromine
carbon
copper
mercury
Which element is a gas at room temperature and pressure? [gp1-65]
nitrogen
sulfur
chromium
tin
Which element is a yellow solid non-metal at room temperature and pressure? [gp1-66]
carbon
sulfur
chromium
tin
Which element is a shiny solid at room temperature and pressure? [gp1-67]
carbon
sulfur
nickel
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]
section 1
section 3
section 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]
section 1
section 3
section 4
section 5
The diagram shows an outline of part of the Periodic Table in five sections. In which section will you find the most non-metals? [gp1-70]
section 1
section 3
section 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]
section 1
section 3
section 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]
section 5
section 3
section 4
section 2
Complete the equation: [gp1-73] sodium + water ==> ? + ?
sodium hydroxide + hydrogen
sodium oxide + hydrogen
sodium hydride + oxygen
sodium hydroxide + oxygen
Complete the equation: [gp1-74] potassium + water ==> ? + ?
potassium oxide + hydrogen
potassium hydroxide + hydrogen
potassium hydride + oxygen
potassium hydroxide + oxygen
Which is TRUE about Alkali Metals? [gp1-75]
they are very hard
lumps of them are not easily shaped
when freshly cut they are shiny
they have low boiling points
Which is TRUE about Alkali Metals? [gp1-76]
they are very hard
they have high melting points
when freshly cut they are dull looking
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]
is an ionic compound
soluble to form a pale green solution in water
the solid conducts electricity
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]
is a covalent compound
soluble to form a colourless solution in water
the solid conducts electricity
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]
is a covalent compound
forms a pale green solution in water
the solid does not conduct electricity, but the molten salt does
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]
is a covalent compound
insoluble in water
the solid conducts electricity
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]
soluble to form a colourless solution in water
has a low melting point
the solid conducts electricity
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]
it is insoluble in water
it has a high melting point
the solid conducts electricity
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]
it is insoluble in water
it has a low boiling point
it is a white solid
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]
it is insoluble in water and floats on the surface
the solid is a good conductor of electricity
it is a pale yellow solid with a low melting point
when molten or dissolved in water, it will conduct electricity
Which is solid metal? [gp1-93]
aluminium
hydrogen
sulfur
bromine
Which is gaseous non-metal? [gp1-94]
aluminium
hydrogen
sulfur
bromine
Chlorine reacts with potssium to form potassium chloride. Which is TRUE about it? [gp1-95]
green insoluble solid
white insoluble solid
white soluble solid
green insoluble solid
Potassium hydroxide dissolves in water to form? [gp1-96]
potassium oxide
hydrogen gas
a salt solution
an alkaline solution
Most metallic elements are found in the central block and in? [gp1-97]
Groups 1 and 2
Groups 3 and 4
Groups 5 and 6
Groups 7 and 0 (or 8)
The elements in Group 1 of the Periodic Table are called the? [gp1-98]
Alkaline Earth Metals
Alkali Metals
Transition Metals
Reactive Metals
Which halogen at room temperature and pressure is a green gas? [gp7-1]
fluorine
chlorine
bromine
iodine
Which halogen at room temperature and pressure is a dark red liquid? [gp7-2]
fluorine
chlorine
bromine
iodine
Which halogen at room temperature and pressure is a dark solid? [gp7-3]
fluorine
chlorine
bromine
iodine
Which halogen on heating gives an orange-brown vapour? [gp7-4]
fluorine
chlorine
bromine
iodine
Which halogen on heating gives a purple vapour? [gp7-5]
fluorine
chlorine
bromine
iodine
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-23]
the melting points increase
the boiling points decrease
the reactivity increases
the atoms get smaller
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-24]
the melting points decrease
the boiling points increase
the reactivity increases
the atoms get smaller
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-25]
the colour of the element gets lighter
the boiling points decrease
the reactivity decreases
the atoms get smaller
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-26]
the colour of the element gets lighter
the boiling points decrease
the reactivity increases
the atoms get larger
Which following is TRUE about the trend DOWN the Group 7 Halogens with increase in atomic number? [gp7-27]
the colour of the element gets darker
the melting points decrease
the reactivity increases
the atoms get smaller
Which four numbers a, b, c and d are required to balance the equation? [gp7-28] a Cl2(aq) + b KI(aq) ==> c KCl(aq) + d I2(aq)
1 2 2 1
2 1 1 2
1 2 1 2
2 1 2 1
Which statement is TRUE about the Group 7 Halogens? [gp7-29]
they have low melting points
they are good conductors of heat
the first three are gases at room temperature and pressure
they are strong materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-30]
they have high melting points
they are poor conductors of heat
the first three are gases at room temperature and pressure
they are strong materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-31]
they have high boiling points
they are good conductors of electricity
the first two are gases at room temperature and pressure
they are strong materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-32]
they have high boiling points
they are good conductors of electricity
only the first one is a gas at room temperature and pressure
they are brittle and crumbly materials when solid
Which statement is TRUE about the Group 7 Halogens? [gp7-33]
they have low boiling points
they are good conductors of electricity
only the first one is a gas at room temperature and pressure
they exist as single atoms at room temperature
Which statement is TRUE about the Group 7 Halogens? [gp7-34]
they have high boiling points
they are poor conductors of electricity
only the first one is a gas at room temperature and pressure
they exist as single atoms at room temperature
Which statement is TRUE about the Group 7 Halogens? [gp7-35]
they have high boiling points
they are good conductors of electricity
all their vapours are coloured
they exist as single atoms at room temperature
Which statement is TRUE about the Group 7 Halogens? [gp7-36]
they have high boiling points
they are good conductors of electricity
all their vapours are colourless
they exist as diatomic molecules X2 at room temperature
Which is TRUE about the Group 7 Halogens? [gp7-37]
form negative ions of charge -1
form ionic compounds with other non-metallic elements
form covalent compounds with metallic elements
a less reactive halogen can displace a more reactive one from its ionic salt
Which is TRUE about the Group 7 Halogens? [gp7-38]
form negative ions of charge -2
form covalent compounds with other non-metallic elements
form ionic compounds with hydrogen
a less reactive halogen can displace a more reactive one from its ionic salt
Which is TRUE about the Group 7 Halogens? [gp7-39]
form negative ions of charge -2
form ionic compounds with other non-metallic elements
form ionic compounds with metallic elements
a less reactive halogen can displace a more reactive one from its ionic salt
Which is TRUE about the Group 7 Halogens? [gp7-40]
form positive ions of charge +1
form ionic compounds with other non-metallic elements
form covalent compounds with metallic elements
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]
chlorine
hydrogen
sodium hydroxide
sodium chlorate(I)
Which is formed at the negative electrode (- cathode) during the electrolysis of brine (aqueous sodium chloride solution)? [gp7-42]
chlorine
hydrogen
sodium hydroxide
sodium chlorate(I)
Which is left after the electrolysis of brine (aqueous sodium chloride solution)? [gp7-43]
chlorine
hydrogen
sodium hydroxide
sodium chlorate(I)
Which is made by combining two of the products from the electrolysis of brine (aqueous sodium chloride solution)? [gp7-44]
chlorine
hydrogen
sodium hydroxide
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]
bleaches damp blue litmus
squeaky pop with lit splint
turns universal indicator from green to purple
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]
bleaches damp blue litmus
squeaky pop with lit splint
turns universal indicator from green to purple
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]
bleaches damp blue litmus
squeaky pop with lit splint
turns universal indicator from green to purple
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]
bleaches damp blue litmus
squeaky pop with lit splint
turns universal indicator from green to purple
turns red litmus paper blue and bleaches it white
Which is used in the manufacture of ceramics? [gp7-49]
sodium hydroxide
silver chloride
chlorine
hydrogen
Which is used in the manufacture of photographic film? [gp7-50]
sodium hydroxide
silver chloride
chlorine
hydrogen
Which is used in the manufacture of disinfectants? [gp7-51]
hydrochloric acid
silver chloride
chlorine
hydrogen
Which is used in the manufacture of margarine? [gp7-52]
sodium hydroxide
silver chloride
chlorine
hydrogen
Which is used in the manufacture of PVC plastic? [gp7-53]
chlorine
hydrogen
sodium chlorate(I)
hydrochloric acid
Which is used in the manufacture of ammonia? [gp7-54]
chlorine
hydrogen
sodium hydroxide
hydrochloric acid
Which is used in the manufacture of detergent soaps? [gp7-55]
chlorine
hydrogen
sodium hydroxide
hydrogen chloride
Which is used with water to make a well known acid? [gp7-56]
sodium chlorate(I)
hydrogen
sodium hydroxide
hydrogen chloride
Which is used in the manufacture of hydrochloric acid? [gp7-57]
hydrogen
sodium hydroxide
sodium chlorate
silver chloride
Which is used in the manufacture of paper? [gp7-58]
hydrogen
sodium hydroxide
chlorine
silver bromide
Which is used to kill bacteria in water? [gp7-58]
hydrochloric acid
sodium hydroxide
chlorine
silver bromide
Which is used in the manufacture of photographic film? [gp7-60]
hydrogen
sodium hydroxide
sodium chlorate
silver bromide
Which is used to manufacture of bleaches? [gp7-61]
chlorine
hydrogen
silver iodide
hydrochloric acid
Which is used in the manufacture of the soluble salt of the acidic medication Aspirin? [gp7-62]
chlorine
sodium hydroxide
silver iodide
sodium chlorate(I)
Which is used in the manufacture of photographic film? [gp7-63]
chlorine
hydrogen
silver iodide
sodium hydroxide
Which is used in the manufacture of bleaches? [gp7-64]
hydrochloric acid
hydrogen
silver iodide
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]
the solid is a poor conductor
low melting point
silvery solid
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]
the solid is a good conductor
high melting point
silvery solid
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]
the solid is a good conductor
has a low boiling point
white or colourless solid
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]
the solid is a good conductor
has a low boiling point
silvery solid
will conduct when liquid or when dissolved in water
Which does NOT represent a possible reaction? [gp7-93]
Which is the most reactive halogen listed? [gp7-97]
chlorine
bromine
iodine
astatine
Which is the least reactive halogen listed? [gp7-98]
chlorine
iodine
bromine
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]
Which is a Noble Gas? [gp0-1]
helium
chlorine
nitrogen
oxygen
Which is a Noble Gas [gp0-2]
fluorine
neon
ammonia
ozone
Which is a Noble Gas [gp0-3]
nitrogen
chlorine
argon
oxygen
Which is an electron arrangement of a Noble Gas? [gp0-4]
2.8.1
2.8.7
2.8.8.2
2
Which is an electron arrangement of a Noble Gas? [gp0-5]
2.8
2.8.7
2.8.8.2
2.8.18.2
Which is an electron arrangement of a Noble Gas? [gp0-6]
2.8.2
2.8.8
2.8.18.7
2.1
Which statement is TRUE about the Noble Gases? [gp0-7]
they readily react with chlorine
down the group the colour of the gas gets darker
they are poor conductors of heat
they are good conductors of electricity
Which statement is TRUE about the Noble Gases? [gp0-8]
they readily react with chlorine
down the group the colour of the gas gets darker
they are good conductors of heat
they are poor conductors of electricity
Which statement is TRUE about the Noble Gases? [gp0-9]
they are very unreactive gases
down the group the colour of the gas gets darker
they are good conductors of heat
they are good conductors of electricity
Which statement is TRUE about the Noble Gases? [gp0-10]
they readily burn in oxygen
they are all colourless gases
they are good conductors of heat
they are good conductors of electricity
Which Noble Gas is used in filament bulbs to stop the filament burning out too quickly? [gp0-11]
neon
helium
argon
krypton
Which Noble Gas is used in balloons? [gp0-12]
argon
krypton
neon
helium
Which gas is used in electrical discharge lights? [gp0-13]
neon
helium
nitrogen
oxygen
Which gas is used in laser beams? [gp0-14]
nitrogen
krypton
helium
oxygen
Which gas has been replaced by safer helium in airships? [gp0-15]
carbon dioxide
nitrogen
hydrogen
oxygen
Which gas is used to provide a non-oxidising atmosphere in welding operations? [gp0-16]
neon
helium
carbon dioxide
argon
Which statement explains the lack of chemical reactivity by Noble Gases? [gp0-17]
they have a stable full outer shell of electrons
it is impossible to ionize the gases because too much energy is required
they form very stable molecules of two combined atoms
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]
section (1)
section (5)
section (3)
section (4)
section (2)
The Noble Gases consist of? [gp0-19]
diatomic molecules
triatomic molecules
single free atoms
atoms linked by weak bonds
Which reason best accounts for the use of helium in modern airships? [gp0-20]
lighter than air and cheap to produce
expensive, but easy to store in cylinders
expensive, but a very unreactive gas
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]
the boiling points increase
the melting points decrease
the density decreases
the reactivity decreases
Which statement is TRUE about the trend, with increasing atomic number, down the Group of Noble Gases? [gp0-22]
the boiling points decrease
the melting points increase
the density decreases
the reactivity decreases
Which statement is TRUE about the Group of Noble Gases? [gp0-23]
they are all dense gases
they are lightly coloured gases
they have low melting points and boiling points
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]
Xe2 + 2F2 ==> XeF4
2Xe + 4F ==> 2XeF4
Xe2 + 8F2 ==> 2XeF4
Xe + 2F2 ==> XeF4
Which is TRUE about the 'Noble Gases'? [gp0-25]
they are very unreactive
they have a great tendency to share or gain electrons to form a chemical bond
argon is used in welding to keep the surrounding metal cool
argon is used in lamps to make the metal filament a better conductor
Which is TRUE about the 'Noble Gases'? [gp0-26]
they are very reactive
they have little tendency to share or gain electrons to form a chemical bond
argon is used in welding to keep the surrounding metal cool
argon is used in lamps to make the metal filament a better conductor
Which is TRUE about the 'Noble Gases'? [gp0-27]
they are very reactive
they have a great tendency to share or gain electrons to form a chemical bond
argon is used in welding to stop oxidation of the metal
argon is used in lamps to make the metal filament a better conductor
Which is TRUE about the 'Noble Gases'? [gp0-28]
they are very reactive
they have a great tendency to share or gain electrons to form a chemical bond
argon is used in welding to keep the surrounding metal cool
argon is used in lamps to stop the metal filament from being oxidised
Which is an electron arrangement of a Noble Gas? [gp0-29]
2.8.18.8
2.8.4
2.8.8.2
2.8.18.2
Which of the following is a chemical test for the gas hydrogen? [id-01]
pops with lit splint
turns limewater cloudy
relights a glowing splint
bleaches damp litmus paper white
Which of the following is a chemical test for the gas carbon dioxide? [id-02]
pops with a lit splint
turns limewater cloudy/milky (white precipitate)
relights a glowing splint
bleaches damp litmus paper white
Which of the following is a chemical test for the gas oxygen? [id-03]
pops with a lit splint
turns limewater cloudy
relights a glowing splint
bleaches damp litmus paper white
Which of the following is a chemical test for the gas chlorine? [id-04]
pops with a lit splint
turns limewater cloudy
relights a glowing splint
bleaches damp litmus paper white
Which gas is formed when a metal reacts with an acid? [id-05]
hydrogen, H2
carbon dioxide, CO2
oxygen, O2
chlorine, Cl2
Which gas is formed when an acid reacts with a carbonate? [id-06]
hydrogen, H2
carbon dioxide, CO2
oxygen, O2
chlorine, Cl2
A gas turns damp red litmus paper blue. The gas is? [id-07]
carbon dioxide, CO2
oxygen, O2
ammonia, NH3
sulfur dioxide, SO2
A gas turns damp orange potassium dichromate(VI) paper green. The gas is? [id-08]
carbon dioxide, CO2
oxygen, O2
ammonia, NH3
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]
iodine, I2
chlorine, Cl2
bromine, Br2
sulfur dioxide, SO2
Which of the following descriptions describes a simple chemical test for chloride ions in a solution? [id-10]
A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
A few cm3 of dilute hydrochloric acid is added and any gas formed is tested with limewater.
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]
sulfate ion, SO42-
chloride ion, Cl-
bromide ion, Br-
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]
sulfate ion, SO42-
chloride ion, Cl-
bromide ion, Br-
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]
sulfate ion, SO42-
chloride ion, Cl-
bromide ion, Br-
iodide ion, I-
Which of the following descriptions describes a simple chemical test for
sulfate ions in a solution? [id-14]
A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
A few cm3 of dilute hydrochloric acid is added and any gas formed is tested with limewater.
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]
A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
A few cm3 of dilute hydrochloric acid is added and any gas formed is tested with limewater.
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]
A few drops of dilute hydrochloric acid are added to the solution followed by a few drops of barium chloride or barium nitrate solution.
A few drops of dilute nitric acid are added to the solution followed by a few drops of silver nitrate solution.
A few cm3 of dilute hydrochloric acid is added and any gas formed is tested with limewater.
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]
iron(II) ion, Fe2+
iron(III) ion, Fe3+
copper(II) ion, Cu2+
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]
iron(II) ion, Fe2+
iron(III) ion, Fe3+
copper(II) ion, Cu2+
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]
iron(II) ion, Fe2+
iron(III) ion, Fe3+
copper(II) ion, Cu2+
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 precipiate dissolves in excess dil. sodium hydroxide to give a clear colourless solution) [id-20]
iron(II) ion, Fe2+
iron(III) ion, Fe3+
copper(II) ion, Cu2+
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]
sodium ion, Na+
copper(II) ion, Cu2+
potassium ion, K+
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]
sodium ion, Na+
copper(II) ion, Cu2+
potassium ion, K+
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]
sodium ion, Na+
copper(II) ion, Cu2+
potassium ion, K+
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]
sodium ion, Na+
copper(II) ion, Cu2+
potassium ion, K+
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 platium wire, a bright yellow flame colour was observed when the platinum wirewas placed in a roaring bunsen flame. From these observations deduce the identity of substance X. [id-25]
sodium carbonate, Na2CO3
potassium sulfite, K2SO3
calcium carbonate, CaCO3
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]
calcium
sulfate, CaSO4
copper(II)
sulfate, CuSO4
potassim chloride, KCl
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. hydrochloriic 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]
potassium
sulfate, K2SO4
copper(II) chloride, CuCl2
calcium chloride, CaCl2
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]
lead(II) iodide, PbI2
potassium
sulfate, K2SO4
copper(II) chloride, CuCl2
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]
hydrochloric acid, HCl
sulfuric acid, H2SO4
sodium hydroxide, NaOH
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]
hydrochloric acid, HCl
sulfuric acid, H2SO4
sodium hydroxide, NaOH
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]
hydrochloric acid, HCl
sulfuric acid, H2SO4
sodium hydroxide, NaOH
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]
hydrochloric acid, HCl
sulfuric acid, H2SO4
sodium hydroxide, NaOH
calcium hydroxide, Ca(OH)2
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-1]
25 Mn manganese
12 Mg magnesium
13 Al aluminium
50 Sn tin
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-2]
20 Ca calcium
24 Cr chromium
13 Al aluminium
50 Sn tin
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-3]
20 Ca calcium
19 K potassium
27 Co cobalt
50 Sn tin
Given the atomic number and symbol, which metal is most likely to be a catalyst in an industrial process? [tm-4]
20 Ca calcium
19 K potassium
3 Li lithium
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]
29 Cu copper
19 K potassium
3 Li lithium
12 Mg magnesium
Given the atomic number and symbol, which metal is most likely to form blue coloured compounds? [tm-6]
29 Cu copper
26 Fe iron
3 Li lithium
12 Mg magnesium
Given the lists of elements, which of them are Alkali Metals? [tm-7]
3 Li, 11 Na, 19 K, ...
22 Ti, 24 Cr, 25 Mn, ...
9 F, 17 Cl, 35 Br, ...
2 He, 10 Ne, 18 Ar, ...
Given the lists of elements, which of them are Transition Metals? [tm-8]
3 Li, 11 Na, 19 K, ...
22 Ti, 24 Cr, 25 Mn, ...
9 F, 17 Cl, 35 Br, ...
2 He, 10 Ne, 18 Ar, ...
Given the lists of elements, which of them are the Halogens? [tm-9]
3 Li, 11 Na, 19 K, ...
22 Ti, 24 Cr, 25 Mn, ...
9 F, 17 Cl, 35 Br, ...
2 He, 10 Ne, 18 Ar, ...
Given the lists of elements, which of them are the Noble Gases? [tm-10]
3 Li, 11 Na, 19 K, ...
22 Ti, 24 Cr, 25 Mn, ...
9 F, 17 Cl, 35 Br, ...
2 He, 10 Ne, 18 Ar, ...
Which letter represents a Transition Metal? [tm-11]
element Q
element L
element W
element R
Which letter represents a Transition Metal? [tm-12]
element M
element Y
element T
element Q
Which letter represents a Transition Metal? [tm-13]
element R
element E
element Y
element G
Which letter represents an Alkali Metal? [tm-14]
element Q
element T
element W
element Y
Which letter represents a Noble Gas? [tm-15]
element Q
element T
element W
element Y
Which letter represents a Halogen? [tm-16]
element Q
element T
element W
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]
compound of element E, lots of bubbles formed
compound of element T, no bubbles
compound of element O, no bubbles
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]
compound of element E, no bubbles formed
compound of element G, a few bubbles
compound of element O, no bubbles
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]
compound of element E, no bubbles formed
compound of element T, a few bubbles
compound of element O, no bubbles
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]
compound of element E, no bubbles formed
compound of element T, no bubbles
compound of element O, many bubbles
compound of element N, many bubbles
Which metal is most likely to be used in electrical wiring? [tm-21]
copper
iron
manganese
zinc
Which metal is most likely to be used for domestic water pipes? [tm-22]
copper
iron
manganese
zinc
Which metal is most likely to be used for manhole and grid covers? [tm-23]
copper
iron
manganese
zinc
Which metal is most likely to be used for galvanising steel car bodies for rust prevention? [tm-24]
copper
iron
manganese
zinc
Which of the following metals forms an oxide that rapidly decomposes hydrogen peroxide? [tm-25]
copper
iron
manganese
zinc
Which metal is used as a catalyst in the synthesis of ammonia from nitrogen and hydrogen? [tm-26]
copper
iron
manganese
zinc
Which is a typical property of a Transition Metal? [tm-27]
high melting point
low density
soft solid
low boiling point
Which is a typical property of a Transition Metal? [tm-28]
low melting point
high density
soft solid
low boiling point
Which is a typical property of a Transition Metal? [tm-29]
low melting point
low density
soft solid
high boiling point
Which is a typical property of a Transition Metal? [tm-30]
low melting point
low density
hard solid
low boiling point
Which is a typical property of a Transition Metal? [tm-31]
poor heat conductors when liquid
easily hammered into shape
low melting points
very reactive
Which of the following metals corrodes to form a green basic carbonate? [tm-32]
copper
iron
manganese
zinc
Which element is most likely to form compounds used to produce coloured pottery glazes? [tm-33]
sodium
iron
sulfur
nitrogen
Which element is most likely to form compounds used to produce coloured pottery glazes? [tm-34]
potassium
sulfur
copper
chlorine
Which element is most likely to be an effective catalyst in the catalytic converters of car exhausts? [tm-35]
mercury
lithium
aluminium
platinum
Which Transition Metal has an unusually low melting point? [tm-36]
mercury
chromium
copper
platinum
Which Transition Metal is likely to corrode more slowly than the others? [tm-37]
iron
copper
zinc
manganese
Which of these Transition elements is the main metal in steel? [tm-38]
zinc
copper
iron
manganese
Which of these metals is likely to corrode faster than the others? [tm-39]
iron
copper
chromium
lithium
Which is likely to be the hardest metal? [tm-40]
iron
aluminium
sodium
tin
Which is likely to be the most dense metal? [tm-41]
potassium
copper
aluminium
tin
Which is likely to have the highest melting point? [tm-42]
potassium
aluminium
copper
lead
Which is likely to have the highest boiling point? [tm-43]
lithium
tin
lead
iron
Which is likely to be the best conductor of heat? [tm-44]
iron
sulfur
phosphorus
bromine
Which is likely to be the best conductor of electricity? [tm-45]
sulfur
copper
phosphorus
bromine
Which is likely to be the easiest element to hammer into a particular shape without it shattering? [tm-46]
sulfur
carbon
chromium
phosphorus
Which is an element? [tm-47]
iron oxide
steel
brass
iron
Which is a compound? [tm-48]
iron oxide
steel
brass
iron
Which is a mixture? [tm-49]
iron oxide
steel
copper
iron
In which section of the Periodic Table would you find iron? [tm-50]
section 1
section 4
section 3
section 5
In which section of the Periodic Table would you find copper? [tm-51]
section 1
section 4
section 5
section 3
From the descriptions,which is the most likely to be a Transition Metal? [tm-52]
high melting point, low density, forms a green coloured chloride
high melting point, high density, forms a white coloured chloride
high melting point, high density, forms a blue coloured chloride
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]
high melting point, very strong, forms a pink coloured
sulfate
low melting point, strong, forms a white coloured chloride
high melting point, soft, forms a yellow coloured
sulfate
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]
high melting point, very strong, forms a pink coloured
sulfate
high melting point, strong, forms a white coloured chloride
high melting point, brittle, forms a white coloured oxide
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]
high melting point, good heat conductor, forms a pink coloured
sulfate
high melting point, good heat conductor, forms a white coloured chloride
low melting point, poor heat conductor, forms a white coloured oxide
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]
high melting point, good heat conductor, forms a pink coloured
sulfate
moderately high melting point, good heat conductor, forms a white coloured chloride
low melting point, moderately good electrical conductor, forms a yellow coloured oxide
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]
both are good conductors of electricity
both are typically hard metals
both consist of reactive metals
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]
only Transition Metals are good conductors of electricity
Alkali Metals are soft, Transition metals are hard
both consist of reactive metals
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]
only Transition Metals are good conductors of electricity
both are typically hard metals
Alkali Metals are more reactive than Transition Metals
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]
only Transition Metals are good conductors of electricity
both are typically hard metals
both consist of reactive metals
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]
both are good conductors of heat
both are typically hard metals
both consist of reactive metals
both have high melting points
Which of the following BOTH explain why copper is used in the cable to a reading lamp? [tm-62]
good insulator and makes strong wire
easily shaped and a good conductor of electricity
high density and a good electrical conductor
good insulator and makes flexible wire
Which is an Alkali Metal? [tm-63]
element 37
element 36
element 26
element 29
Which of the following corrodes to a green compound? [tm-64]
element 37
element 36
element 26
element 29
Which is a Noble Gas? [tm-65]
element 37
element 36
element 26
element 29
Which is a transition metal used in the form of steel? [tm-66]
element 37
element 36
element 26
element 29
Metals have many uses. Which metal is mixed with iron to make stainless steel? [tm-67]
copper
chromium
platinum
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]
copper
chromium
platinum
magnesium
Metals have many uses. Which is added to aluminium to make it a stronger alloy? [tm-69]
copper
chromium
platinum
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]
copper(II) ion
iron(II) ion
iron(III) ion
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]
copper(II) ion
iron(II) ion
iron(III) ion
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]
copper(II) ion
iron(II) ion
iron(III) ion
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]
copper(II) ion
iron(II) ion
iron(III) ion
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]
Cu2+
Fe2+
Fe3+
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]
Cu2+
Fe2+
Fe3+
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]
Cu2+
Fe2+
Fe3+
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]
Cu2+
Fe2+
Fe3+
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]
copper
iron
chromium
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]
Fe2+
Cu2+
Fe3+
Zn2+
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