Chemistry · Oct / Nov 2019 · Paper 12 · Question 30

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?

1. Aboth 1 and 2
2. B1 only
3. C2 only
4. Dneither 1 nor 2

As printed in the paper