Question

write the preparation of baking soda and bleaching powder and give two uses of each of them​

Answer 1

Baking soda: when when carbon dioxide gas is passed through an aqueous solution of sodium chloride and for the saturated with ammonia gas forms baking soda.

NaCl+H2O+CO2+NH3→NH4Cl+NaHCO3

• Uses of baking soda: For making baking powder
• As an antacid.

Bleaching powder: bleaching powder is produced by the action of chlorine on dry slaked lime.

Cl2+Can(OH)2→CaOCl2+H2O

• Uses:As an oxidising agent.
• For disinfecting drinking water.