Multiple choice

Bleaching powder is an oxychloride of

  1. magnesium

  2. calcium

  3. zinc

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Bleaching powder is chemically calcium oxychloride (CaOCl2), formed by passing chlorine gas over dry slaked lime (calcium hydroxide). It's widely used for disinfection and bleaching applications.

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