why is calcium sulphate hemihydrate called plaster of paris
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Answer:
Plaster of Paris (POP) is formed by heating Calcium sulphate hemihydrate. So Calcium sulphate hemihydrate is also called as plaster of paris.
Explanation:
Calcium sulphate hemihydrate is also called as gypsum.
Plaster of Paris is formed by heating gypsum to 140 - 180 degrees centigrade.
The name plaster of Paris is given as larger amount of calcium sulphate hemi hydrate is found in Paris.
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