Plaster of paris

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Posted by Abhishek Chaudhary 5 years, 9 months ago
- 2 answers
Yogita Ingle 5 years, 9 months ago
Plaster of Paris
The chemical name of Plaster of Paris is Calcium Sulphate (CaSO4·½ H2O)).
It is obtained by heating the gypsum, CaSO4·2H2O, to 393 K.
2(CaSO4·2H2O) --> 2(CaSO4).H2O + 3H2O
It forms a plastic mass on addition of water which further gets hardened within 5-15 minutes.
It is extensively used in manufacturing decorating pieces, in repairing fractured bones or sprains.
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Tanvi Sharma 5 years, 9 months ago
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