WBCS.LIVE practice question

What is the chemical name for Bleaching Powder, commonly used for disinfecting drinking water?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Calcium Carbonate
  2. Sodium Hypochlorite
  3. Calcium Oxychloride
  4. Calcium Hydroxide

Correct answer and explanation

Correct answer: Calcium Oxychloride

Explanation: ✅ Correct Answer: C) Calcium Oxychloride 📚 Explanation: Bleaching powder is chemically known as Calcium Oxychloride and is represented by the formula CaOCl₂. It is produced by the action of chlorine gas on dry slaked lime. It is widely used in the textile industry for bleaching cotton and in public health for sterilization and killing germs in water supplies.