Question

why plaster of paris is called calcium sulphate hemihydrate class 10?​

Answer 1

Answer:

Plaster of Paris is a quick-setting gypsum plaster made from a fine white calcium sulphate hemihydrate powder that hardens when moistened and dried. It is synthesized from gypsum (CaSO4.2H2O). When gypsum is heated at 373 K, it loses its water molecules to become calcium sulphate (plaster of Paris).

.CaSO4.2H2O → CaSO4.1/2H2O + 3/2H2O

Explanation:

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