Four reaction mixtures are given. 1. $(\text{NH}_4)_2\text{SO}_4\text{(aq)}$ together with $\text{NaOH}$ 2. $\text{NH}_4\text{Cl(aq)}$ together with $\text{Ba(OH)}_2$ 3. $\text{NH}_4\text{Cl(aq)}$ together with $\text{Na}_2\text{O}$ 4. $(\text{NH}_4)_3\text{PO}_4\text{(aq)}$ together with $\text{HCl}$ Which of these reaction mixtures gives ammonia as a product?
- A1, 2 and 3
- B1 and 2 only
- C2 and 3 only
- D3 and 4 only