s-Block ElementsHard

Question

Gypsum on heating at a temperature of 393 K yields :

Options

A.calcium oxide
B.hemihydrate of calcium sulphate
C.anhydrous calcium sulphate
D.none of these.

Solution

2(CaSO4.2H2O)→ 2(CaSO4). H2O + 3 H2O.

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