Question

Why is calcium sulphate hemihydrate called plaster of Paris?

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Answer 1

Because, Plaster of Paris (POP) is obtained by heating calcium sulphate hemi hydrate, also referred as gypsum for about 140-180 degree Celsius. The name Plaster of Paris (POP) is derived as the calcium sulphate hemi hydrates are found in large amount deposited in the Montmartre hill in Paris

Answer 2

heya,, ....

here is your answer....✏✏✏✏


calcium sulphate hemihydrate is called plaster of paris because-

plaster is the common name for calcium sulphate hemihydrate and during 18th century Paris became the centre for plaster production

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