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O-LevelChemistryMetals & Reactivity5070/12 · May/June 2016 · Q281 Mark

Which element, if attached to iron immersed in salt water, would prevent the iron from corroding?

Acarbon

Bcopper

Cmagnesium

Dsulfur

✓ Correct answer

C: magnesium

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About this question

Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2016 Paper 1 Variant 2, question 28.

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