Question

how is plaster of Paris prepared ? give reaction
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Answer 1

Answer:

Plaster of Paris is prepared by heating gypsum at 373 K. On heating, it loses water molecules and becomes calcium sulphate hemihydrate (CaSO4. 1/2 H2O) which is called Plaster of Paris.

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Answer 2

Explanation:

on heating gypsum at 373 k,it loses water molecules and becomes calcium sulphate hemihydrate(caso4.1/2H2O).

CaSO4.2H2O= CaSO4.1/2H2O

(on heating at 373k)