Bleaching powder is mainly used for what purpose?
Answer and explanation
Correct answer: Disinfection and bleaching
Bleaching powder is commonly represented as calcium oxychloride, CaOCl₂, and it releases chlorine or active chlorine in suitable conditions. This gives it bleaching and disinfecting properties. Therefore option A is correct: it is used for bleaching materials and disinfecting drinking water or surfaces. It is not a food ingredient, a toothpaste, or a substance intended to increase stomach acidity.
Frequently asked questions
What is the correct answer to this question?
Disinfection and bleaching
Why is this the correct answer?
Bleaching powder is commonly represented as calcium oxychloride, CaOCl₂, and it releases chlorine or active chlorine in suitable conditions. This gives it bleaching and disinfecting properties. Therefore option A is correct: it is used for bleaching materials and disinfecting drinking water or surfaces. It is not a food ingredient, a toothpaste, or a substance intended to increase stomach acidity.
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.