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Q: The % of chlorine in fresh bleaching powder is about.
  • A. 10 to 20
  • B. 20 to 30
  • C. 30 to 35
  • D. 40 to 50
Correct Answer: Option C - (30–35%) chlorine is found in bleaching powder. It is suitable for small water supply Generally 1.5 kg of bleaching Powder is sufficient for one million liters of water.
C. (30–35%) chlorine is found in bleaching powder. It is suitable for small water supply Generally 1.5 kg of bleaching Powder is sufficient for one million liters of water.

Explanations:

(30–35%) chlorine is found in bleaching powder. It is suitable for small water supply Generally 1.5 kg of bleaching Powder is sufficient for one million liters of water.