State true or false: bleaching powder is used for disinfecting drinking water.

The correct option is A True

Disinfection of water

• Due to the presence of impurities in present in water, it needs to be disinfected by using various disinfecting agents.
• Bleaching powder (${\mathrm{CaOCl}}_2$) is a good disinfecting agent and is used to kill germs and bacteria in the water.
• Therefore, bleaching powder is used for disinfecting water.

Hence the given statement is true.