Question

(a) State any two uses of Bleaching powder?
(b) How is bleaching powder prepared?​

Answer 1

Answer:

Explanation:

first for the preparation of bleaching powder you need to know that chlorine is produced during the electrolysis of aqueous brine.this chlorine gas is used for the manufacture of bleaching powder. bleaching powder is produced by the action of chlorine on dry slaked lime which is Ca(OH)2.and the by product which is bleaching powder is represented by CaOCl2 and to know the actual composition is quite complex so now the equation can be written as

           Ca(OH)2+Cl2=>CaOCl2+H2O

the uses of bleaching powder:

It is used for bleaching dirty clothes in the laundry, as a bleaching agent for cotton and linen in the textile industry. It is a strong oxidizing agent hence used as an oxidizer in many industries. It is used as a disinfectant which is used for disinfecting water to make potable water.