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The chemical name of bleaching powder is _________.

calcium carbonate

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calcium chloride

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calcium oxychloride

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calcium hydroxide

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Solution

The correct option is C calcium oxychloride
The chemical formula of bleaching powder is $C a O C l_{2}$ and its chemical name is calcium oxychloride.
The following reaction involves its preparation I.e. Passing $C l_{2}$ over slaked lime.

Ca(OH)₂(s) + Cl₂(g) -> CaOCl₂(s) + H₂O(l)

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