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O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2025 · Q261 Mark

The diagrams show two methods in which metal X is used to prevent the rusting of iron. A student suggests that metal X must be less reactive than iron and must have a lower proton number than iron. Which suggestions are correct?

Diagram for this question, from the exam paper

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A✓ ✓
B✓ X
CX ✓
DX X

✓ Correct answer

D: X X

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About this question

Topic
Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, Oct/Nov 2025 Paper 1 Variant 1, question 26.

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