O-LevelChemistryMetals & Reactivity5070/12 · Oct/Nov 2019 · Q301 Mark

Steel is produced by blowing oxygen into impure molten iron. A student suggests two reasons why this process is carried out. 1 The oxygen removes some of the carbon from the impure iron. 2 The oxygen oxidises iron(II) ions to iron(III) ions. Which reasons are correct?

Aboth 1 and 2

B1 only

C2 only

Dneither 1 nor 2

✓ Correct answer

B: 1 only

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2019 Paper 1 Variant 2, question 30.

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