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In making bleaching powder, slaked lime reacts with which gas?

Answer and explanation

Correct answer: Chlorine

Bleaching powder is prepared by passing chlorine gas over dry slaked lime, whose chemical formula is Ca(OH)₂. The reaction produces bleaching powder, commonly represented as CaOCl₂, along with water. Therefore, chlorine is the required gas. Hydrogen, nitrogen, and carbon monoxide do not participate in this standard preparation and are not suitable distractors for the reaction.

Related tags

Bleaching PowderSlaked LimeChlorineAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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