Extraction of metals — Paper 1 · IGCSE Science - Combined 0653

21 Which property of a metal determines the method used to extract the metal from its ore? A the melting point of the metal B the position of the metal in the Periodic Table C the reactivity of the metal D the relative atomic mass, Ar, of the metal

1 marks

Answer: C

This question in 0653/11 May/June 2006

19 Which method is used to obtain iron from iron(III) oxide? A combustion B electrolysis C reduction D thermal decomposition

1 marks

Answer: C

This question in 0653/11 May/June 2007

22 Aluminium oxide, dissolved in melted cryolite, is electrolysed. Aluminium is produced by ……1…… and energy is ……2…… . Which words correctly complete the gaps? gap 1 gap 2 A oxidation given out B oxidation used up C reduction given out D reduction used up

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2007

25 Are iron and sodium hydroxide obtained by electrolysis? iron sodium hydroxide v v 0 0O WwW D> x v x ~ « &

1 marks

Answer: C

This question in 0653/11 Oct/Nov 2007

22 Impure copper is purified by electrolysis, as shown. A copper copper aqueous copper(II) sulphate What is the cathode made of and how does its mass change during the electrolysis? the cathode is made of its mass A impure copper decreases B impure copper increases C pure copper decreases D pure copper increases

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2008

20 Which method is used to obtain iron from iron(III) oxide? A combustion B electrolysis C reduction D thermal decomposition

1 marks

Answer: C

This question in 0653/11 May/June 2010

21 Which method is used to obtain iron from iron(III) oxide? A combustion B electrolysis C reduction D thermal decomposition

1 marks

Answer: C

This question in 0653/12 May/June 2010

21 Which method is used to obtain iron from iron(III) oxide? A combustion B electrolysis C reduction D thermal decomposition

1 marks

Answer: C

This question in 0653/13 May/June 2010

20 Aluminium occurs as aluminium oxide in the ore bauxite. Which terms apply to the extraction of aluminium from aluminium oxide? electrolysis reduction A v v B v x Cc x v D x x

1 marks

Answer: A

This question in 0653/11 Oct/Nov 2010

21 Aluminium occurs as aluminium oxide in the ore bauxite. Which terms apply to the extraction of aluminium from aluminium oxide? electrolysis reduction A v v B v x Cc x v D x x

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2010

19 Aluminium occurs as aluminium oxide in the ore bauxite. Which terms apply to the extraction of aluminium from aluminium oxide? electrolysis reduction A v v B v x Cc x v D x x

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2010

23 Which property of a metal determines the method used to extract the metal from its ore? A the melting point of the metal B the position of the metal in the Periodic Table C the reactivity of the metal D the relative atomic mass, Ar, of the metal

1 marks

This question in 0653/11 May/June 2012

23 Which property of a metal determines the method used to extract the metal from its ore? A the melting point of the metal B the position of the metal in the Periodic Table C the reactivity of the metal D the relative atomic mass, Ar, of the metal

1 marks

Answer: C

This question in 0653/12 May/June 2012

24 Copper(II) oxide is mixed with a solid Q. On heating the mixture, a reaction occurs and the limewater turns milky. copper(II) oxide and solid Q heat limewater What is solid Q? A carbon B iron C sulfur D zinc

1 marks

Answer: A

This question in 0653/12 May/June 2012

23 Which property of a metal determines the method used to extract the metal from its ore? A the melting point of the metal B the position of the metal in the Periodic Table C the reactivity of the metal D the relative atomic mass, Ar, of the metal

1 marks

Answer: C

This question in 0653/13 May/June 2012

27 Which method is used to extract copper from copper(II) oxide? A dissolving copper(II) oxide with hydrochloric acid and then filtering B dissolving copper(II) oxide in water and then filtering C heating the copper(II) oxide D heating the copper(II) oxide mixed with carbon

1 marks

Answer: D

This question in 0653/12 May/June 2013

23 Metal X reacts rapidly with cold water. Metal Y does not react with dilute hydrochloric acid. Metal Y is obtained from its oxide by heating with carbon. Which row shows the more reactive metal and the type of reaction which metal Y oxide undergoes when it is heated with carbon? more reactive metal type of reaction A X oxidation B X reduction C Y oxidation D Y reduction

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2013

26 Copper can be made from copper oxide by reacting it with carbon at a high temperature. Why is carbon used? A It does not react with copper. B It is a conductor of electricity. C It is a high melting point solid. D It is more reactive than copper.

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2014

27 Copper can be made from copper oxide by reacting it with carbon at a high temperature. Why is carbon used? A It does not react with copper. B It is a conductor of electricity. C It is a high melting point solid. D It is more reactive than copper.

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2014

20 In the blast furnace, iron(III) oxide reacts with carbon forming iron and carbon monoxide. What happens to the iron(III) oxide? A It is oxidised by gaining oxygen. B It is oxidised by losing oxygen. C It is reduced by gaining oxygen. D It is reduced by losing oxygen.

1 marks

Answer: D

This question in 0653/11 May/June 2015

26 Carbon is used to extract copper from copper oxide. Which statement about the process is correct? A Carbon is an oxidising agent. B Carbon is more reactive than copper. C Copper is more reactive than carbon. D Copper oxide is a reducing agent.

1 marks

Answer: B

This question in 0653/12 May/June 2015

21 The following reactions occur in the blast furnace. reaction 1: iron oxide + carbon monoxide → iron + carbon dioxide reaction 2: iron oxide + carbon → iron + carbon monoxide Which two substances are oxidised in these reactions? A carbon and carbon monoxide B carbon monoxide and carbon dioxide C iron and carbon dioxide D iron and iron oxide

1 marks

Answer: A

This question in 0653/13 May/June 2015

25 Tenorite is a mineral that contains copper oxide. How is copper obtained from tenorite? A Heat a mixture of tenorite and carbon. B Pass electricity through solid tenorite. C React tenorite with a metal that is less reactive than copper. D React tenorite with hydrochloric acid.

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2016

25 A mixture of copper(II) oxide and substance Q is heated. The reaction produces copper. What is Q? A aluminium oxide B carbon C carbon dioxide D oxygen

1 marks

Answer: B

This question in 0653/12 May/June 2017

24 Which process is used to extract copper from copper oxide? A Heat the copper oxide on its own. B Heat the copper oxide with carbon. C Heat the copper oxide with carbon dioxide. D Heat the copper oxide with water and then filter.

1 marks

Answer: B

This question in 0653/11 Oct/Nov 2018

25 Which element is used to extract copper from copper oxide? A aluminium B carbon C iron D sodium

1 marks

Answer: B

This question in 0653/13 Oct/Nov 2018

24 Part of the reactivity series is shown. Ca most reactive Mg Al Zn Fe least reactive Which metals can be produced by reduction of their oxide using carbon? A calcium and magnesium B magnesium and aluminium C aluminium and zinc D zinc and iron

1 marks

Answer: D

This question in 0653/12 May/June 2019

24 Which process is used to extract copper from copper oxide? A heating copper oxide with carbon B heating copper oxide with carbon dioxide C heating copper oxide with hydrochloric acid D heating copper oxide with steam

1 marks

Answer: A

This question in 0653/13 May/June 2019

25 Which row describes the method of extraction and the position of the metal in the reactivity series relative to zinc? position of the metal metal method of extraction in the reactivity series A aluminium electrolysis of bauxite above zinc B aluminium heating metal oxide with carbon below zinc C copper heating metal oxide with carbon above zinc D copper electrolysis of bauxite below zinc

1 marks

Answer: A

This question in 0653/11 Oct/Nov 2019

25 Copper oxide reacts with carbon. The equation is shown. copper oxide + carbon → copper + carbon dioxide What is the role of carbon in this reaction? A It is a catalyst. B It is an electrolyte. C It neutralises the copper oxide. D It reduces the copper oxide.

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2019

25 Copper oxide reacts with carbon. The equation is shown. copper oxide + carbon → copper + carbon dioxide What is the role of carbon in this reaction? A It is a catalyst. B It is an electrolyte. C It neutralises the copper oxide. D It reduces the copper oxide.

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2019

24 Why is carbon used to extract some metals from their oxide ores? A It oxidises the ore by removing oxygen. B It prevents the oxygen of the air reacting with the ore. C It reacts with impurities in the ore. D It reduces the ore by removing oxygen.

1 marks

Answer: D

This question in 0653/12 Feb/March 2020

25 Copper can be made from copper oxide by reacting it with carbon at a high temperature. Why is carbon used? A It does not react with copper. B It is a conductor of electricity. C It is a high melting point solid. D It is more reactive than copper.

1 marks

Answer: D

This question in 0653/11 May/June 2020

25 Which method is used to extract copper from copper(II) oxide? A dissolving copper(II) oxide in hydrochloric acid and then filtering B dissolving copper(II) oxide in water and then filtering C heating the copper(II) oxide D heating the copper(II) oxide mixed with carbon

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2020

25 Which method is used to extract copper from copper(II) oxide? A dissolving copper(II) oxide in hydrochloric acid and then filtering B dissolving copper(II) oxide in water and then filtering C heating the copper(II) oxide D heating the copper(II) oxide mixed with carbon

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2020

25 Which method is used to extract copper from copper(II) oxide? A dissolving copper(II) oxide in hydrochloric acid and then filtering B dissolving copper(II) oxide in water and then filtering C heating the copper(II) oxide D heating the copper(II) oxide mixed with carbon

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2020

25 Copper is below both carbon and hydrogen in the reactivity series. How is copper extracted? A Heat copper sulfate crystals. B Heat copper oxide with carbon. C Heat copper oxide with carbon dioxide. D Heat copper oxide with dilute hydrochloric acid.

1 marks

Answer: B

This question in 0653/12 May/June 2022

24 Which method is used to extract aluminium from the ore bauxite? A heating bauxite until it decomposes B heating bauxite with carbon C the electrolysis of aqueous bauxite D the electrolysis of molten bauxite

1 marks

Answer: D

This question in 0653/11 Oct/Nov 2022

24 Which row identifies the methods used to extract copper and aluminium from their ores? copper aluminium A electrolysis electrolysis B electrolysis heating with carbon C heating with carbon electrolysis D heating with carbon heating with carbon

1 marks

Answer: C

This question in 0653/12 Oct/Nov 2022

24 Which row identifies the methods used to extract copper and aluminium from their ores? copper aluminium A electrolysis electrolysis B electrolysis heating with carbon C heating with carbon electrolysis D heating with carbon heating with carbon

1 marks

Answer: C

This question in 0653/13 Oct/Nov 2022

23 Which statement about the extraction of metals is correct? A Aluminium is extracted from aluminium oxide by heating with carbon. B Aluminium is less reactive than copper so aluminium can be extracted by electrolysis. C Carbon can be used to remove oxygen from copper(II) oxide. D Copper is extracted from the ore bauxite.

1 marks

Answer: C

This question in 0653/12 Feb/March 2023

25 Copper oxide is heated with carbon as shown. copper oxide and carbon crucible tripod Bunsen burner Which statement about this experiment is correct? A A pink-brown solid is formed. B Carbon is placed underneath the copper oxide so that the air can react with the hot copper oxide. C Carbon reacts with the air to form carbon dioxide which then reacts with the copper oxide. D Copper is more reactive than carbon.

1 marks

Answer: A

This question in 0653/13 May/June 2023

19 Iron is extracted from its ore using carbon monoxide. The word equation is shown. iron(III) oxide + carbon monoxide  iron + carbon dioxide Which statement is correct? A Carbon monoxide is oxidised by gaining oxygen. B Carbon monoxide is reduced by losing oxygen. C Iron(III) oxide is oxidised by losing oxygen. D Iron(III) oxide is reduced by gaining oxygen.

1 marks

Answer: A

This question in 0653/13 Oct/Nov 2023

21 What is a reduction process? A the combustion of a fuel B the thermal decomposition of calcium carbonate C the extraction of copper from copper oxide D the reaction between an acid and an alkali

1 marks

Answer: C

This question in 0653/12 May/June 2024

19 Which type of reaction occurs when iron is obtained from its oxide using carbon? A combustion B neutralisation C electrolysis D reduction

1 marks

Answer: D

This question in 0653/12 Oct/Nov 2024

23 Which row explains why carbon is used to extract copper from copper oxide and identifies the type of reaction that occurs during the extraction? explanation type of reaction A carbon is more reactive than copper redox B carbon is more reactive than copper thermal decomposition C carbon is less reactive than copper redox D carbon is less reactive than copper thermal decomposition

1 marks

Answer: A

This question in 0653/12 Oct/Nov 2024

19 Which type of reaction occurs when iron is obtained from its oxide using carbon? A combustion B neutralisation C electrolysis D reduction

1 marks

Answer: D

This question in 0653/13 Oct/Nov 2024

22 Which statement describes the extraction of aluminium? A It is extracted from bauxite using electrolysis. B It is extracted from bauxite using carbon. C It is extracted from hematite using electrolysis. D It is extracted from hematite using carbon.

1 marks

Answer: A

This question in 0653/12 Feb/March 2025

24 Which statement explains why aluminium is extracted from its ore by electrolysis and not by heating with carbon? A Aluminium is more reactive than carbon. B Aluminium is more reactive than hydrogen. C Aluminium melts at 660 °C. D Aluminium resists corrosion.

1 marks

Answer: A

This question in 0653/11 May/June 2025

25 Which row shows the name of an ore of iron and the process used to extract iron from the ore? ore process A bauxite electrolysis B bauxite reduction in the blast furnace C hematite electrolysis D hematite reduction in the blast furnace

1 marks

Answer: D

This question in 0653/12 May/June 2025

25 In the blast furnace, iron(III) oxide reacts with carbon monoxide to form iron. What happens to the iron(III) oxide? A It is oxidised by gaining oxygen. B It is oxidised by losing oxygen. C It is reduced by gaining oxygen. D It is reduced by losing oxygen.

1 marks

Answer: D

This question in 0653/13 May/June 2025