0654.C9.5.01 — State the conditions required for the rusting of iron (presence of oxygen and water): past paper questions
Real questions on 0654.c9.5.01 — state the conditions required for the rusting of iron (presence of oxygen and water)
The newest 6 of 6 written questions. Open one to see it on the real paper.
- 0973/31 · May/June 2026 · Q7e[1]
Iron rusts when exposed to water and a gaseous element. Name this element.
See it on the paper → - 0973/32 · May/June 2024 · Q11d(i)[2]
Name the element and the compound that react with iron to make rust. element compound
See it on the paper → - 0973/32 · May/June 2024 · Q11d(ii)[1]
Barrier methods are used to stop iron rusting. Name one substance used in a barrier method of rust prevention.
See it on the paper → - 0973/32 · May/June 2024 · Q11e[1]
Recycling iron costs less than extracting iron from iron ore. Suggest one other reason why iron needs to be recycled.
See it on the paper → - 0973/31 · May/June 2021 · Q11a(i)[2]
Iron rusts when two other substances are present. State the names of these two substances. and
See it on the paper → - 0973/31 · October/November 2020 · Q2e(i)[1]
State the name of the other substance that must be present for iron to rust.
See it on the paper →
What examiners said
Oxygen and water were well known as the two substances present when iron rusts.
— Examiner report, May/June 2021, 0973/31 Q11(a)(i) (Cambridge)
Water was often identified as the other substance that needed to be present for iron to rust.
— Examiner report, October/November 2020, 0973/31 Q2(e)(i) (Cambridge)
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