SS2 Biology – Overcrowding and Food Shortage

SS3 Commerce – Advertising

SS1 Chemistry – Hydrolysis of Salt

HYDROLYSIS OF SALT Some salts undergo hydrolysis in water to give an acidic or alkaline medium (solution) e.g. Na2CO3, NaHCO3, AlCl3, Na2S, NH4Cl, CH3COONa, e.t.c. Na2CO3 + H2O