O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2021 · Q331 Mark

Steel is often galvanised. Which statements about galvanising are correct? 1 Galvanising makes a steel alloy. 2 Galvanising provides a sacrificial protection against rusting. 3 Galvanising coats a layer of zinc onto steel.

A1 and 2 only

B1 and 3 only

C2 and 3 only

D1, 2 and 3

✓ Correct answer

C: 2 and 3 only

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2021 Paper 1 Variant 1, question 33.

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