The equations for three reactions are listed below. 1. $\text{CuO} + \text{H}_2 \rightarrow \text{Cu} + \text{H}_2\text{O}$ 2. $\text{Fe}_2\text{O}_3 + 3\text{CO} \rightarrow 2\text{Fe} + 3\text{CO}_2$ 3. $2\text{H}_2 + \text{O}_2 \rightarrow 2\text{H}_2\text{O}$ Which statement about these reactions is not correct?
- AIn reaction 1, copper(II) oxide is reduced to copper.
- BIn reaction 2, carbon monoxide is oxidised to carbon dioxide.
- CIn reactions 1 and 3, hydrogen is oxidised to water.
- DIn reaction 2, iron(III) oxide is oxidised to iron.