66. Chemical name of bleaching powder is : A.Calcium chlorate B.Calcium hypochlorite C.Calcium chloro hypochlorite D.Calcium bi chloride
Answer: Option B Solution: Calcium hypochlorite is an inorganic compound with formula CaO(Cl)2. It is the main active ingredient of commercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agent.