An element a reacts with water to form a compound b which is used in white washing. The compoundb on heating forms an oxide which on treatment with water gives back
b. Identify a, b and c andgive the reactions involved.
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An element A reacts with water to form a compound B which is used in white washing. The compound B on heating forms an oxide C which on , treatment with water gives back B. Identify A,B and C and give the reactions involved. ... Thus, compound B is calcium hydroxide [Ca(OH)2], which is used in white washing.
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Element A is calcium (Ca). When it reacts with water, it forms calcium hydroxide. Thus, compound B is calcium hydroxide [Ca(OH)2], which is used in white washing.
Compound B on heating gives CaO.
Thus, C is calcium oxide (CaO).
C(CaO) on treatment with water gives back B [Ca(OH)2].
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