Which reaction is not a neutralisation reaction?
- A$\text{H}_2\text{SO}_4\text{(aq)} + 2\text{NH}_3\text{(aq)} \rightarrow (\text{NH}_4)_2\text{SO}_4\text{(aq)}$
- B$\text{H}_2\text{SO}_4\text{(aq)} + \text{BaCl}_2\text{(aq)} \rightarrow \text{BaSO}_4\text{(s)} + 2\text{HCl}\text{(aq)}$
- C$\text{H}_2\text{SO}_4\text{(aq)} + \text{CuO}\text{(s)} \rightarrow \text{CuSO}_4\text{(aq)} + \text{H}_2\text{O}\text{(l)}$
- D$\text{H}_2\text{SO}_4\text{(aq)} + 2\text{NaOH}\text{(aq)} \rightarrow \text{Na}_2\text{SO}_4\text{(aq)} + 2\text{H}_2\text{O}\text{(l)}$