Bleaching powder is obtained by treating chlorine with (a) CaO (b) CaCO3 (c) CaSO4 (d) Ca(OH)2 Bleaching powder is obtained by treating chlorine with (a) CaO (b) CaCO3 (c) CaSO4 (d) Ca(OH)2 November 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,