O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2015 · Q291 Mark

An alloy of aluminium is used in the construction of aircraft. Why is pure aluminium never used?

APure aluminium cannot be manufactured.

BPure aluminium conducts electricity.

CPure aluminium is less dense than its alloys.

DPure aluminium is too malleable.

✓ Correct answer

D: Pure aluminium is too malleable.

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2015 Paper 1 Variant 1, question 29.

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