Bleaching action of SO2 is due to (a) Reduction (b) Oxidation (c) Hydrolysis (d) Its acidic nature Bleaching action of SO2 is due to (a) Reduction (b) Oxidation (c) Hydrolysis (d) Its acidic nature November 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,