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Identify the correct statement:...

Identify the correct statement:

A

Gypsum contains a lower percentage fo calcium than Plaster of Paris

B

Gypsum is obtained by heating Plaster of Paris

C

Plaster of Paris can be obtained by hydration of gypsum

D

Plaster of Paris is obtained by partial oxidation of gypsum.

Text Solution

Verified by Experts

The correct Answer is:
A
Gypsum, `CaSO_4.2H_2O` has a lower percentage of calcium than Plaster of Paris, `CaSO_4.1//2H_2O`.
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