Chemistry, asked by vishal3386873, 6 months ago

writ the preparation of calcium sulphate hemihydrate

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Answered by MinnaImam123

Answer:

It is a hemihydrate of calcium sulphate. It is obtained when gypsum, CaSO4·2H2O, is heated to 393 K. Above 393 K, no water of crystallisation is left and anhydrous calcium sulphate, CaSO4 is formed. This is known as 'dead burnt plaster

Explanation:

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Answered by xyz635252

Answer:

on heating gypsum at 373k loses water molecules and turns into calcium suphate hemihydrate.

Reaction-caso4.2H2o----->caso4.1/2h2o+1.1/2h20

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writ the preparation of calcium sulphate hemihydrate ​

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writ the preparation of calcium sulphate hemihydrate