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