Chemistry, asked by SnehaAwasthi, 1 year ago

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Why is calcium sulphate hemihydrate called plaster of Paris?

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Answered by Anonymous
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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

Plaster of Paris is obtained by heating gypsum or calcium sulphate dihydrate to about 140-180 degree Celsius. 

When heated to such a temperature, gypsum forms Plaster of Paris.


The name is derived from the large deposits of gypsum in the Montmartre hill in Paris.

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