All of the following are false about bleaching powder except-
Chlorinated lime Contains about 33 percent of the available chlorine Used in the strength of 1 to 3 percent Bleaching powder is widely used in public health practice in India for disinfection of water, feces, and urine Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 141
Contains 20% available chlorine
20% solution used for disinfection of faces
Unstable compound on storage
Not used for disinfection of faces & urine
Epidemiology