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The main active component of bleaching powder is formed due to which gas?

Answer and explanation

Correct answer: Chlorine

Bleaching powder is prepared by passing chlorine gas over dry slaked lime, calcium hydroxide, Ca(OH)2. In the school-level representation, the product is written as CaOCl2, commonly called bleaching powder, and its bleaching action is associated with chlorine. Therefore chlorine is the correct gas in option A. Hydrogen, nitrogen and helium do not produce bleaching powder in this preparation.

Related tags

Bleaching PowderChlorineSlaked LimeAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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