Combined Chemistry Quiz on Group 1 Alkali Metals, Transition Metals and the Reactivity and Extraction of Metals (GCSE higher tier

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 electricity
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. sulfur
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. sulfur
3. chromium
4. tin
Which element is a yellow solid non-metal at room temperature and pressure? [gp1-66]
1. carbon
2. sulfur
3. chromium
4. tin
Which element is a shiny solid at room temperature and pressure? [gp1-67]
1. carbon
2. sulfur
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. sulfur
4. bromine
Which is gaseous non-metal? [gp1-94]
1. aluminium
2. hydrogen
3. sulfur
4. bromine
Chlorine reacts with potassium 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 dare 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
[gp-111] 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 dare 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 dare 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 dare 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 dare 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 electron more easily as the atom gets smaller
2. they can lose the outer electron 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 sulfate? [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
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. sulfur
4. nitrogen
Which element is most likely to form compounds used to produce coloured pottery glazes? [tm-34]
1. potassium
2. sulfur
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. sulfur
3. phosphorus
4. bromine
Which is likely to be the best conductor of electricity? [tm-45]
1. sulfur
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. sulfur
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 sulfate
2. low melting point, strong, forms a white coloured chloride
3. high melting point, soft, forms a yellow coloured sulfate
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 sulfate
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 sulfate
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 sulfate
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
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 sulfate 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 sulfate 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 sulfate 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 sulfate 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 sulfate + 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 sulfate + 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 sulfate + chlorine
Which is formed by the reaction of magnesium with sulfuric acid? [mr-20]
1. magnesium sulfate + water
2. magnesium hydroxide + sulfur dioxide
3. magnesium chloride + hydrogen
4. magnesium sulfate + 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 sulfate
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 sulfate ==> iron sulfate + zinc
4. lead + tin sulfate ==> lead sulfate + 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 sulfate ==> tin sulfate + zinc
4. lead + tin sulfate ==> lead sulfate + tin
Which of these reactions is possible? [mr-39]
1. copper + zinc oxide ==> copper oxide + zinc
2. platinum + sulfuric acid ==> platinum sulfate + hydrogen
3. zinc + iron sulfate ==> zinc sulfate + 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 + sulfuric acid ==> copper sulfate + hydrogen
3. iron + zinc chloride ==> iron chloride + zinc
4. tin + gold sulfate ==> tin sulfate + 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 sulfate 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 sulfate 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 sulfate
4. 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]
1. sulfuric acid
2. iron oxide
3. iron sulfate
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 sulfate 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) sulfate 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) sulfate 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) sulfate 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) sulfate 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 initially. 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 initially. 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 initially. 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 initially. 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 initially. 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 electrode 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 sulfate 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 (1) - (5) represents where a blast of hot air is blown in? [me-1]
1. (1)
2. (2)
3. (4)
4. (5)
Which of (1) - (5) represents where molten iron is tapped off? [me-2]
1. (1)
2. (2)
3. (3)
4. (4)
Which of (1) - (5) represents where slag is removed? [me-3]
1. (1)
2. (2)
3. (3)
4. (4)
Which of (1) - (5) represents where waste gases are removed? [me-4]
1. (1)
2. (2)
3. (3)
4. (4)
Which of (1) - (5) represents where limestone is added? [me-5]
1. (5)
2. (4)
3. (2)
4. (1)
Which of (1) - (5) represents where coke (carbon) is added? [me-6]
1. (1)
2. (5)
3. (3)
4. (4)
Why is limestone added to the blast furnace? [me-7]
1. to remove oxygen from the iron ore
2. to lower the melting point of the ore
3. to react with impurities and form slag
4. to produce carbon monoxide
Iron is reduced in a blast furnace. This means? [me-8]
1. the impurities are removed from the iron
2. the iron ore is converted into pure iron oxide
3. the waste materials are driven off to concentrate the iron ore
4. the oxygen is removed from the iron ore
Which reaction is causes the high temperature in a blast furnace? [me-9]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide
In which reaction does an oxidation and a reduction produce the same product? [me-10]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide
Which reaction represents the iron ore reduction in a blast furnace? [me-11]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide
Which reaction removes solid acidic impurities from the iron produced in a blast furnace? [me-12]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide
Which of these blast furnace reactions is the most exothermic? [me-13]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide
Which reaction produces the molecule that reduces the iron ore to iron? [me-14]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide
In which of these blast furnace reactions does one gas molecule get oxidised to another gas molecule? [me-15]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide
Which of these blast furnace reactions forms the 'slag'? [me-16]
1. carbon + oxygen ==> carbon dioxide
2. carbon dioxide + carbon ==> carbon monoxide
3. iron(III) oxide + carbon monoxide ==> iron + carbon dioxide
4. calcium carbonate + silicon dioxide ==> calcium silicate + carbon dioxide

In the reactions in a blast furnace what happens to most of the carbon monoxide? [me-22]
1. it reacts with carbon to form carbon dioxide
2. it combines with the oxygen in the iron oxide ore
3. it reacts with the oxygen in the hot air to form carbon dioxide
4. it reacts with silica and limestone to form the 'slag'
Oxidation of a substance can be defined as? [me-23]
1. a molecule reacting with oxygen molecules
2. an atom losing oxygen atoms
3. an atom or molecule combining with oxygen
4. a molecule losing oxygen atoms
Reduction of a substance can be defined as? [me-24]
1. a molecule not reacting with oxygen molecules
2. an atom gaining oxygen atoms
3. an atom or molecule combining with oxygen
4. a molecule losing oxygen atoms
To produce aluminium, electricity is passed through? [me-31]
1. molten aluminium oxide and molten cryolite
2. molten cryolite
3. molten aluminium oxide
4. molten aluminium oxide and molten limestone
To produce aluminium by electrolysis the ore must be molten so that? [me-32]
1. the aluminium oxide decomposes with the heat
2. the ions from the ore are free to move
3. the molecules from the ore are free to move
4. the aluminium formed will be liquid
During the electrolysis of molten aluminium oxide ore, the aluminium ions move? [me-33]
1. to the negative electrode because they are negatively charged
2. to the positive electrode because they are positively charged
3. to the negative electrode because they are positively charged
4. to the positive electrode because they are negatively charged
During the electrolysis of molten aluminium oxide ore, the oxide ions move? [me-34]
1. to the negative electrode because they are negatively charged
2. to the positive electrode because they are positively charged
3. to the negative electrode because they are positively charged
4. to the positive electrode because they are negatively charged
In the extraction of aluminium by electrolysis of molten aluminium oxide ore, the ore is dissolved in cryolite to? [me-35]
1. lower the melting point of the aluminium ore to reduce the temperature of the process
2. to decompose the ore into aluminium and oxygen at a higher temperature
3. to help keep the aluminium molten at a higher temperature
4. to help stop the electrodes from corroding away at high temperature
In the extraction of aluminium by electrolysis of its ore, the positive electrodes have to be regularly replaced because? [me-36]
1. they are attacked by hot molten aluminium
2. they react with oxygen to form a gas
3. they slowly dissolve in cryolite
4. they gradually vaporise at the high temperature of the electrolysis cell
In the extraction of aluminium by the electrolysis of molten aluminium oxide ore, the aluminium forms? [me-37]
1. throughout the bulk of the molten ore
2. only when the electrodes are close together
3. only at the negative electrode
4. only at the positive electrode
In the extraction of aluminium by the electrolysis of molten aluminium oxide ore, oxygen forms? [me-38]
1. throughout the bulk of the molten ore
2. only when the electrodes are close together
3. only at the negative electrode
4. only at the positive electrode
The name of a common ore from which iron can be extracted is called? [me-39]
1. haematite
2. bauxite
3. cryolite
4. charcoal
The name of a common ore from which aluminium can be extracted is called? [me-40]
1. haematite
2. bauxite
3. cryolite
4. charcoal
The name of the substance used to lower the melting point of aluminium oxide ore in the electrolytic extraction of aluminium is called? [me-41]
1. haematite
2. bauxite
3. cryolite
4. carbon
In the electrolysis of aluminium oxide to extract aluminium, the electrodes are made of? [me-42]
1. haematite
2. bauxite
3. cryolite
4. carbon
After the initial chemical extraction of copper from a copper ore, the copper is purified by? [me-51]
1. electrolysis
2. crystallisation
3. distillation
4. hydrolysis
After the initial chemical extraction of copper from a copper ore, the copper is purified by electrolysis. The negative electrode is made of? [me-52]
1. copper sulfide
2. pure copper
3. impure copper
4. copper sulfate
After the initial chemical extraction of copper from a copper ore, the copper is purified by electrolysis. The positive electrode is made of? [me-53]
1. copper sulfide
2. pure copper
3. impure copper
4. copper sulfate
After the initial chemical extraction of copper from a copper ore, the copper is purified by electrolysis. The electrolyte solution contains dissolved? [me-54]
1. copper sulfide
2. pure copper
3. impure copper
4. copper sulfate
Which element is a metal that is most likely to be found in rocks as the metal itself? [me-55]
1. copper
2. carbon
3. iron
4. sodium
Which element is a non-metal with some metallic character? [me-56]
1. copper
2. carbon
3. iron
4. sodium
Which element is a metal that displaces hydrogen from dilute acids but not from cold water? [me-57]
1. copper
2. carbon
3. iron
4. sodium
Which element is a metal that cannot be extracted using carbon? [me-58]
1. copper
2. tin
3. iron
4. sodium
Which metal is more reactive than hydrogen but less reactive than carbon? [me-59]
1. tin
2. aluminium
3. copper
4. silver
Which metal is less reactive than sodium but must be extracted using electrolysis of the molten ore? [me-60]
1. tin
2. aluminium
3. lead
4. silver
Which of these metals should react with dilute hydrochloric acid, but very slowly? [me-61]
1. calcium
2. iron
3. lead
4. silver
Which metal is most likely to be found in rocks as the metal itself? [me-62]
1. tin
2. aluminium
3. lead
4. silver
Which contains the iron oxide in the blast furnace extraction of iron? [me-63]
1. haematite
2. coke
3. limestone
4. sandstone
Which is oxidised in the blast furnace extraction of iron? [me-64]
1. haematite
2. coke
3. limestone
4. air
Which removes impurities from iron in the blast furnace extraction of iron? [me-65]
1. haematite
2. coke
3. limestone
4. air
Which is NOT a raw material in the blast furnace extraction of iron? [me-66]
1. haematite
2. coke
3. limestone
4. sandstone
Which metals is obtained from bauxite ore? [me-67]
1. aluminium
2. iron
3. copper
4. gold
Which metals is obtained from haematite ore? [me-68]
1. aluminium
2. iron
3. copper
4. gold
Which metals is purified by electrolysis? [me-69]
1. aluminium
2. iron
3. copper
4. gold
Which metals is most likely to be found as the element and not as an oxide or sulfide compound? [me-70]
1. aluminium
2. iron
3. copper
4. gold
Which statement is TRUE? [me-71]
1. aluminium is obtained from its ore by reduction using electrolysis
2. iron is obtained from its ore by reduction using electrolysis
3. aluminium is obtained from its ore by oxidation using carbon
4. iron is obtained from its ore by oxidation using carbon
Which statement is TRUE? [me-72]
1. aluminium is obtained from its ore by reduction using carbon
2. iron is obtained from its ore by reduction using carbon
3. aluminium is obtained from its ore by oxidation using electrolysis
4. iron is obtained from its ore by oxidation using electrolysis
A mineral from which a metal can be extracted, is called? [me-73]
1. compound
2. mixture
3. an ore
4. rock
Which is the reason why aluminium was first extracted commercially by electrolysis in the 19th century but metals like iron had been extracted for thousands of years? [me-74]
1. no aluminium ores had been previously discovered
2. there was no electricity supply available until this time
3. no one was interested in using aluminium
4. technology was sufficiently advanced by then
Which metal is added to aluminium to make a stronger alloy? [me-77]
1. magnesium
2. chromium
3. gold
4. sodium
Which metal is added to steel to give it good anti-corrosion properties? [me-78]
1. magnesium
2. chromium
3. gold
4. sodium
Which metal is found as the free element in the Earth's crust? [me-79]
1. magnesium
2. chromium
3. gold
4. sodium
Which metal is less reactive than calcium, but whose oxide ore cannot be reduced with carbon? [me-80]
1. sodium
2. potassium
3. zinc
4. magnesium
Which chemical change corresponds to an electrolysis? [me-81]
1. aluminium and oxygen are produced when an electric current is passed through molten aluminium oxide
2. calcium carbonate forms calcium oxide and carbon dioxide in the blast furnace extraction of iron
3. carbon monoxide reacts with iron oxide to form carbon dioxide in the blast furnace
4. calcium hydroxide reacts with acid waste gases from an industrial metal extraction process to form a harmless salt and water
Which chemical change corresponds to a thermal decomposition? [me-82]
1. aluminium and oxygen are produced when an electric current is passed through molten aluminium oxide
2. calcium carbonate forms calcium oxide and carbon dioxide in the blast furnace extraction of iron
3. carbon monoxide reacts with iron oxide to form carbon dioxide in the blast furnace
4. calcium hydroxide reacts with acid waste gases from an industrial metal extraction process to form a harmless salt and water
Which chemical change corresponds to an oxidation? [me-83]
1. aluminium and oxygen are produced when an electric current is passed through molten aluminium oxide
2. calcium carbonate forms calcium oxide and carbon dioxide in the blast furnace extraction of iron
3. carbon monoxide reacts with iron oxide to form carbon dioxide in the blast furnace
4. calcium hydroxide reacts with acid waste gases from an industrial metal extraction process to form a harmless salt and water
Which chemical change corresponds to a neutralisation? [me-84]
1. aluminium and oxygen are produced when an electric current is passed through molten aluminium oxide
2. calcium carbonate forms calcium oxide and carbon dioxide in the blast furnace extraction of iron
3. carbon monoxide reacts with iron oxide to form carbon dioxide in the blast furnace
4. calcium hydroxide reacts with acid waste gases from an industrial metal extraction process to form a harmless salt and water
Which chemical change corresponds to a reduction? [me-85]
1. changing copper oxide into copper in a smelter
2. calcium carbonate forms calcium oxide and carbon dioxide in the blast furnace extraction of iron
3. carbon monoxide reacts with iron oxide to form carbon dioxide in the blast furnace
4. calcium hydroxide reacts with acid waste gases from an industrial metal extraction process to form a harmless salt and water

Why is hot air blown into a blast furnace? [me-87]
1. too keep the iron molten
2. to melt the iron ore
3. to react with coke and release energy
4. to react with impurities in the iron
Which is formed on burning coke in the blast furnace? [me-88]
1. calcium oxide
2. slag
3. carbon monoxide
4. carbon dioxide
Which removes the oxygen from the iron ore in a blast furnace? [me-89]
1. carbon monoxide
2. slag
3. limestone
4. carbon dioxide
Which is produced when limestone combines with acidic impurities in the blast furnace extraction of iron? [me-90]
1. carbon monoxide
2. slag
3. iron oxide
4. carbon dioxide
Which is added to a blast furnace to produce carbon monoxide and heat energy? [me-91]
1. calcium oxide
2. limestone
3. carbon
4. carbon dioxide
Haematite iron ore contains mainly? [me-92]
1. iron oxide and slag impurities
2. iron carbonate and calcium oxide
3. iron carbonate and slag impurities
4. iron oxide and acidic impurities
Ingots of aluminium from its electrolytic extraction can be stored outside in all weathers. Why do aluminium ingots not corrode away, despite aluminium being quite high in the reactivity series of metals? [me-93]
1. aluminium is coated in an oxide layer
2. aluminium will not react with oxygen
3. aluminium has a particularly shiny surface
4. it is not a transition metal like chromium
Which pair of elements are non-metals which will displace less reactive metals from their oxide ores? [me-94]
1. nitrogen and helium
2. carbon and hydrogen
3. sulfur and oxygen
4. chlorine and argon
Given the equation of the reduction of an iron oxide in a blast furnace:
? + 4CO ==> 3Fe + 4CO₂
What must the formula of the original iron oxide ore? [me-25]
1. Fe₃O₂
2. Fe₄O₃
3. Fe₃O₄
4. Fe₂O₃
It is possible for an iron oxide ore in a blast furnace to be directly reduced by the coke (carbon) to form iron.
a Fe₂O₃ + b C ==> c Fe + d CO₂
Which four quantities a, b, c and d give the ratio to balance the equation? [me-26]
1. 1, 3, 6, 3
2. 1, 2, 3, 6
3. 2, 2, 6, 4
4. 2, 3, 4, 3
It is possible for an iron oxide ore in a blast furnace to be directly reduced by the coke (carbon) to form iron.
a Fe₃O₄ + b C ==> c Fe + d CO₂
Which four quantities a, b, c and d give the ratio to balance the equation? [me-27]
1. 1, 2, 3, 2
2. 1, 2, 3, 4
3. 2, 3, 6, 3
4. 2, 4, 6, 4
Iron oxide ore in a blast furnace is mainly reduced by carbon monoxide to form iron.
a Fe₂O₃ + b CO ==> c Fe + d CO₂
Which four quantities a, b, c and d give the ratio to balance the equation? [me-28]
1. 1, 2, 3, 2
2. 1, 3, 2, 3
3. 2, 6, 2, 3
4. 2, 4, 6, 4
Which is the correct and balanced equation for the formation of carbon monoxide in the blast furnace? [me-29]
1. CO₂ + C ==> CO
2. CO₂ + 2C ==> 2CO
3. CO₂ + C ==> 2CO
4. 2CO₂ + C ==> 2CO
Given the equation of the reduction of an iron oxide in a blast furnace ...
a Fe₃O₄ + b CO ==> c Fe + d CO₂
Which four quantities a, b, c and d give the ratio to balance the equation? [me-30]
1. 2, 2, 3, 4
2. 1, 4, 2, 3
3. 2, 2, 3, 2
4. 1, 4, 3, 4

Which is TRUE about the extraction of aluminium by electrolysis? [me-75]
1. aluminium ions move to the positive electrode and are oxidised to aluminium atoms by electron loss
2. oxide ions move to the positive electrode and are reduced by electron gain
3. aluminium ions move to the negative electrode and are reduced to aluminium atoms by electron gain
4. oxide ions move to the negative electrode and are oxidised by electron loss
Which is TRUE about the extraction of aluminium by electrolysis? [me-76]
1. aluminium ions move to the negative electrode and are oxidised to aluminium atoms by electron loss
2. oxide ions move to the negative electrode and are reduced by electron gain
3. aluminium ions move to the positive electrode and are reduced to aluminium atoms by electron gain
4. oxide ions move to the positive electrode and are oxidised by electron loss
The diagram shows how copper is purified by electrolysis. What happens at the negative electrode? [me-95]
1. copper ions gain electrons to become neutral copper atoms
2. neutral copper atoms lose electrons to become ions
3. neutral copper atoms gain electrons to become ions
4. copper ions lose electrons to become neutral atoms
The diagram shows how copper is purified by electrolysis. What happens at the positive electrode? [me-96]
1. copper ions gain electrons to become neutral copper atoms
2. neutral copper atoms lose electrons to become ions
3. neutral copper atoms gain electrons to become ions
4. copper ions lose electrons to become neutral atoms
The diagram shows how copper is purified by electrolysis. Which is a suitable salt to use? [me-97]
1. aluminium sulfate
2. sodium chloride
3. copper sulfate
4. magnesium chloride
Electrolysis processes can only be done on solutions or molten materials because? [me-98]
1. less energy is needed
2. the product might be a gas, liquid or a solid
3. electrons cannot flow through solids
4. the ions must free to move to electrodes
In an electrolysis process which word describes the overall chemical change? [me-99]
1. redox
2. oxidation
3. reduction
4. neutralisation
In an electrolysis process which word describes the change at the positive electrode? [me-100]
1. redox
2. oxidation
3. reduction
4. neutralisation
In an electrolysis process which word describes the change at the negative electrode? [me-101]
1. redox
2. oxidation
3. reduction
4. neutralisation
Sodium and chlorine can be manufactured by passing a direct current through the molten salt sodium chloride. What happens at the negative electrode? [me-102]
1. chloride ions lose electrons and become chlorine atoms (which form molecules)
2. sodium atoms lose electrons and become sodium ions
3. chlorine atoms gain electrons and become chloride ions
4. sodium ions gain electrons and become sodium atoms
Sodium and chlorine can be manufactured by passing a direct current through the molten salt sodium chloride. What happens at the positive electrode? [me-103]
1. chloride ions lose electrons and become chlorine atoms (which form molecules)
2. sodium atoms lose electrons and become sodium ions
3. chlorine atoms gain electrons and become chloride ions
4. sodium ions gain electrons and become sodium atoms
Sodium and chlorine can be manufactured by passing a direct current through the molten salt sodium chloride. What happens to the sodium ions is an example of? [me-104]
1. displacement
2. reduction
3. oxidation
4. decomposition
Sodium and chlorine can be manufactured by passing a direct current through the molten salt sodium chloride. What happens to the chloride ion is an example of? [me-105]
1. displacement
2. reduction
3. oxidation
4. decomposition

Combined Chemistry Quiz on Group 1 Alkali Metals, Transition Metals and the Reactivity and Extraction of Metals (GCSE higher tier - harder level @ doc brown's chemistry)