<prompt> All of the following are false about bleaching powder except-Contains 20 available chlorine20 solution used for disinfection of facesUnstable compound on storageNot used for disinfection of faces urine  <response>: 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, Parks Textbook of Preventive and Social Medicine, Page no. 141 