Multiple choice

By the interaction of chlorine with which of the following is bleaching powder obtained?

  1. Dilute solution of calcium hydroxide

  2. Dry slaked lime

  3. Concentrated solution of calcium hydroxide

  4. Dry calcium oxide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Bleaching powder is manufactured by the action of chlorine gas on dry slaked lime, which is calcium hydroxide. The chemical reaction yields calcium oxychloride, the active component of bleaching powder.

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