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Identify the correct statement(s)....

Identify the correct statement`(s)`.

A

Gypsum contains a lower percentage of calcium than plaster of paris.

B

Gypsum is `CaSO_(4).2H_(2)O`.

C

Plaster of paris is obtained by hydration of gypsum.

D

Gypsum is obtained by hydration of plaster of paris.

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
Gypsum is `CaSO_(4).2H_(2)O` and plaster of Pairs is `CaSO_(4)(1)/(2)H_(2)O`. Hence the `%` of `Ca` in gypsum is less than plaster of Paris.
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