WAEC - Chemistry (2016 - No. 24)
An aqueous solution of (NH4)2 SO4 is
Acidic
Alkaline
Amphoteric
Neutral
Erläuterung
Ammonium sulphate is an ACIDIC SALT. This is because it is formed when sulphuric acid reacts with ammonia. Since, sulphuric acid is a strong acid and ammonia is a weak base, so it gets acidic in nature.