What is a major use of bleaching powder?
Answer and explanation
Correct answer: Disinfecting water
Bleaching powder, commonly represented in school chemistry as calcium oxychloride, releases chlorine or chlorine-containing species that destroy many disease-causing microorganisms. Therefore, it is widely used to disinfect drinking water and in sanitation. Baking uses substances such as baking soda, it does not increase stomach acid, and it has no role in melting iron. Thus, option A is correct.
Frequently asked questions
What is the correct answer to this question?
Disinfecting water
Why is this the correct answer?
Bleaching powder, commonly represented in school chemistry as calcium oxychloride, releases chlorine or chlorine-containing species that destroy many disease-causing microorganisms. Therefore, it is widely used to disinfect drinking water and in sanitation. Baking uses substances such as baking soda, it does not increase stomach acid, and it has no role in melting iron. Thus, option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Acids, Bases, and Salts.