Combined Chemistry Quiz on the Reactivity and Extraction of Metals (GCSE foundation tier

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
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

Combined Chemistry Quiz on the Reactivity and Extraction of Metals (GCSE foundation tier - easier level @ doc brown's chemistry)