Discuss the method of preparation of bleaching powder.

Bleaching powder is

(a). What is the chemical name of bleaching powder.? (b) What is the chemcial formula of bleaching powder? (c) What are the materials used for the preparation of bleaching powder? (d) State one use of bleaching powder (other than bleaching).

Write the composition of bleaching powder.

(a). What is bleaching powder? How is bleaching powder prepared? Write chemical equation of the reaction involved in the preparation of bleaching powder. (b) What happens when bleaching powder reacts with dilute sulphuric acid? Give equation of the reaction involved. (c) State two important uses of bleaching powder.

Is the presence of oxygen necessary during the preparation of bleaching powder ?

Auto-oxidation of bleaching powder gives: