The correct options are
A It is used as a disinfectant in sterilization of water
C It is used as an oxidising agent in industry
D It is used for making wool unshrinkable
Following are the uses of bleaching powder.
(A) It is used as a disinfectant in sterilization of water
(C) It is used as an oxidising agent in many chemical reactions in industry
(D) It is used for making wool unshrinkable
Bleaching powder is useful in preparation of organic solvent chloroform which is also used as an anesthetic.
Bleaching action is possible on cotton in textile industry, wood pulp in paper factories and washed clothes in laundary.