Which of the following are the uses of bleaching powder?
[i] To disinfect drinking water supplies.
[ii] For the manufacture of chloroform.
[iii] To make wool non-shrinkable.

Correct option is D

Sol: The correct answer is (d) i, ii and iii

Key Points:

​Bleaching Powder is a chemical compound with the formula $$Ca(OCL)_2$$​. It is commonly used for various purposes due to its disinfecting, oxidizing, and bleaching properties.

​Uses of Bleaching Powder ($$Ca(OCL)_2$$):

1. Disinfecting Drinking Water Supplies: It is widely used to kill bacteria and other pathogens in drinking water, making it safe for consumption.

2. Manufacture of Chloroform: It is used in the production of chloroform ($$CHCl_3$$​) when it reacts with ethanol or acetone.

3. Textile Industry: Used for bleaching cotton, linen, and other textiles, making fabrics non-shrinkable and brighter.

4. Sanitizing and Cleaning: Employed as a disinfectant in various cleaning and sanitizing processes.

5. Deodorizing: Used to remove unpleasant odors by neutralizing them.