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GK QUESTION#3534

Calcium hypochlorite is commonly known as:

  1. Abordeaux mixture
  2. Bbleaching powderCorrect answer
  3. Claughing gas
  4. Dgunpowder
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Answer

B. bleaching powder

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Explanation

Bleaching powder is the intended common trade name among these choices, and calcium hypochlorite is an important bleaching and disinfecting chemical. Pure calcium hypochlorite has formula Ca(OCl)₂. Traditional chlorinated-lime bleaching powder is a mixture, often represented in elementary texts as CaOCl₂; it should not be equated with pure Ca(OCl)₂.

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