An element A reacts with water to form a compound B which is used to white washing The compound - Science - Metals and Non-metals

Question

An element A reacts with water to form a compound B which is
used to white washing The compound B on heating forms oxide C which
on treatment with water give back B Identify A, B and C and give
the reaction involved

Priyanka Madhu · Accepted Answer

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An element A reacts with water to form a compound B which is used to white washing. The compound B on heating forms oxide C which on treatment with water give back B. Identify A, B and C and give the reaction involved.