An element A reacts with water to form a compound B which is used in white washing. The compound B which on heating forms and oxide X which on treatment with water gives back B identify A,B and C give the reaction involved.
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Explanation:
Thus from the above equation element A is identified as calcium whereas compound B is identified as calcium hydroxide. When compound B which is identified as calcium hydroxide is heated, it leads to the formation of two products namely calcium oxide and water.
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1
Answer:
a is calcium
b is calcium hydroxide
c is calcium oxide
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