O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2023 · Q271 Mark

Most metals react with oxygen in the air to form a metal oxide. Which metal forms a metal oxide layer that reduces its apparent reactivity?

Aaluminium

Bcopper

Ciron

Dsilver

✓ Correct answer

A: aluminium

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2023 Paper 1 Variant 1, question 27.

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