when gymsum is heated to prepare plasters of Paris why temperature upto 100° c
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Gypsum is calcium sulphate dihydrate (CaSO4. 2H2O). When gypsum is heated to a temperature of 100⁰C (373K), it loses three-fourths of its water of crystallisation and forms plaster of Paris (CaSO4.
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••••Gypsum is calcium sulphate dihydrate (CaSO4. 2H2O). When gypsum is heated to a temperature of 100⁰C (373K), it loses three-fourths of its water of crystallisation and forms plaster of Paris (CaSO4.••••
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