When heated, magnesium nitrate, magnesium hydroxide and magnesium carbonate each decompose. Which statement regarding these decomposition reactions is correct?
- AMagnesium carbonate decomposes to release carbon dioxide and oxygen.
- BMagnesium hydroxide decomposes to release hydrogen and oxygen.
- CMagnesium hydroxide decomposes to release water vapour.
- DMagnesium nitrate decomposes to release oxygen only.