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O-LevelChemistryMetals & Reactivity5070/11 · May/June 2012 · Q281 Mark

Which pair of metals are not oxidised when added to water? 1. calcium 2. copper 3. potassium 4. silver

A1 and 2

B1 and 3

C2 and 4

D3 and 4

✓ Correct answer

C: 2 and 4

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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 2012 Paper 1 Variant 1, question 28.

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