Question

Which of the following is not the use of bleaching powder?

(i) to make drinking water free from germs

(ii) in soda-acid fire extinguishers

(iii) as an oxidising agent in many chemical industries

(iv) for baking cakes

• A. iv
• B. i
• C. iii
• D. ii

Answer 1

Answer:

A. iv

Bleaching powder is not used in baking cakes. It is commonly used as a disinfectant, in fire extinguishers, and as an oxidizing agent. Calcium hypochlorite commonly known as Bleaching Powder is used for bleaching wood pulp in the paper industries. Bleaching powder is yellowish powder soluble in water. Formula- Ca(OCl)2