0653.C9.6.03 — State that main ore of aluminium is bauxite and that aluminium is extracted by electrolysis: past paper questions
Real questions on 0653.c9.6.03 — state that main ore of aluminium is bauxite and that aluminium is extracted by electrolysis
The newest 7 of 7 written questions. Open one to see it on the real paper.
- 0653/31 · October/November 2025 · Q6c(ii)[1]
Name an ore that contains iron( III ) oxide.
See it on the paper → - 0653/42 · October/November 2025 · Q5a(i)[3]
Describe how carbon monoxide is formed in the blast furnace.
See it on the paper → - 0653/42 · October/November 2025 · Q5a(ii)[2]
The carbon monoxide reacts with iron( III ) oxide to form iron and carbon dioxide. Write the balanced symbol equation for this reaction.
See it on the paper → - 0653/41 · May/June 2025 · Q4d[1]
Iron is extracted from iron( III ) oxide in the blast furnace. Iron( III ) oxide reacts with carbon monoxide to form iron. The equation for the reaction is shown. Fe 2 O 3 + 3CO 2Fe + 3CO 2 Explain how the equation shows the iron( III ) oxide is reduced.
See it on the paper → - 0653/42 · February/March 2025 · Q5a(i)[1]
State how the equation shows that molten iron is produced.
See it on the paper → - 0653/42 · February/March 2024 · Q2a(iii)[1]
is extracted from hematite.
See it on the paper → - 0653/11 · October/November 2022 · Q24[1]
Which method is used to extract aluminium from the ore bauxite?
See it on the paper →
What examiners said
The idea that reduction refers to oxygen loss was very familiar to candidates and credit was very frequently awarded.
— Examiner report, May/June 2025, 0653/41 Q4(d) (Cambridge)
Credit was awarded for any reference to the state symbol for iron in the balanced equation. Answers such as “because iron is a liquid” which did not have any supporting evidence from the equation were not accepted.
— Examiner report, February/March 2025, 0653/42 Q5(a)(i) (Cambridge)
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