Chemistry Chemical Properties of Bases (1) They liberate ammonia gas when react with ammonium salt. 2NH4 CL(ag) CaCL2(ag) 2NH3(g)+ 2H2O(L) (2) They react with acids to form salt and water. NaOH(aq) + HCL(ag) NaCL + H2O ← Previous Physical Properties of Bases Next → Uses of Bases Leave a comment Cancel replyYou must be logged in to post a comment.