Ammonium sulfate, $(\text{NH}_4)_2\text{SO}_4$, and ammonium nitrate, $\text{NH}_4\text{NO}_3$, are employed as fertilisers. These salts contain different percentages by mass of nitrogen. They produce the same effect as one another on the pH of moist neutral soil. Which row is right?
- Aammonium nitrate; decrease
- Bammonium nitrate; increase
- Cammonium sulfate; decrease
- Dammonium sulfate; increase