Bleaching powder is obtained when:

Slaked lime reacts with NaOH

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Slaked lime reacts with NaHCO₃

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Slaked lime reacts with Cl₂

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Slaked lime reacts with H₂

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Solution

The correct option is C
Slaked lime reacts with Cl₂

Bleaching powder is calcium oxychloride( $C a O C l_{2}$ ). It is also called chloride of lime. It is manufactured by passing chlorine gas over dry slaked lime( $C a (O H)_{2}$ ).

$C a (O H)_{2} + C l_{2} \to C a O C l_{2} + H_{2} O$

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Bleaching powder is obtained, when slaked lime reacts with ______.

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___ is formed when CaO(quick lime) reacts with water.

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