Acid salt- a salt formed by incomplete replacement of the hydrogen of an acid. For example- potassium hydrogen sulphate (KHSO4). In other words, a salt in which not all of the ionizable hydrogen of the acid is replaced by the electropositive element; for example, NaHSO4, KH2PO4.
Synonym(s): protosalt. Hope I helped u.. Plz mark as the BRAINLIEST answer..