Explanation:
- Basic salt: The salt formed by the partial neutralization of a strong base by a weak acid is called basic salt.
- Ammonium chloride is a salt of strong acid like (hydrochloric acid) and a weak base (like ammonium hydroxide).
- Formula of ammonium chloride is , formula of hydrochloric acid is and formula of ammonium hydroxide is .
Hence, ammonium chloride is an acid salt.