Chemistry · May / June 2022 · Paper 12 · Question 32

Which statement about some metals and their compounds is correct?

1. ACalcium reacts with cold water but not with steam.
2. BLead carbonate decomposes at a higher temperature than zinc carbonate.
3. CMagnesium can be extracted from its oxide by heating strongly with carbon.
4. DPure aluminium reacts with cold, dilute hydrochloric acid.

As printed in the paper