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What is the chemical formula for Plaster of Paris ?

Posted by Lucky Raj. 6 years, 4 months ago

CBSE > Class 10 > Science

4 answers

Aditi Sharma 6 years, 4 months ago

CuSo4.1/2H2o

0Thank You

Gaurav Seth 6 years, 4 months ago

The chemical name of plaster of Paris is calcium sulphate hemihydrate because half molecule of water is attached with calcium sulphate. The chemical formula of plaster of Paris is CaSO4.1/2H2O.

when the gypsum (calcium sulphate dihydrate) is heated at the temperature of 100 degree Celsius obtain Plaster of Paris (calcium sulphate hemihydrate).

CASO4.2H2O
CASO4.H2O.

The temperature should not be more than hundred degree Celsius during the heating of gypsum for the formation of plaster of paris because the whole water is eliminated from the gypsum and a brunt plaster of paris is formed so the Plaster of Paris lost its property of setting.

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Lucky Raj. 6 years, 4 months ago

Thank you

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I ❤ My India??{ Diya }? 6 years, 4 months ago

CaSO4.½H2O?

2Thank You

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