(a) Mention the substance used in white washing. (b) State the reason – InterviewSolution

1.	(a) Mention the substance used in white washing. (b) State the reason for using this substance for the above purpose.
Answer» (a) The substance used for white washing is calcium hydroxide. (b) Carbon dioxide present in air reacts with calcium hydroxide to form a white insolubel solid mass of calcium carbonate.

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