What is the chemical formula of GYPSUM ? Write chemical equation for its preparation.
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Explanation:
Gypsum is calcium sulphate dihydrate. The chemical formula of gypsum is CaSO4·2H2OPlaster of paris is prepared by heating gypsum to a temperature of 373K. When gypsum is heated to a temperature of 373k ,It loses three-Fourths of its water of crystallisation and forms plaster of paris. Properties1)It is a white powder.
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CaSO4.2H2O
CaSO4.1/2H2O+1 1/2H2O--------->CaSO4.2H2O
Explanation:
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