In the following reaction, identify the salt formed

Q. In the following reaction, identify the salt formed

NH4OH (aq) + H2SO4 (aq) →  _____  +   2H2O (l)

1. NH4NO3
2. (NH4)2SO4
3. (NH4)3PO4
4. (NH4)2S

Answer: (NH4)2SO4