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Yoverset(Delta,250^(@)C)rarrCaSO(4).2H(2...

`Yoverset(Delta,250^(@)C)rarrCaSO_(4).2H_(2)Ooverset(Delta,120^(@)C)rarrX.` X and Y are respectively :

A

plaster of Paris, dead burnt plaster

B

dead burnt plaster, plaster of Paris

C

CaO and plaster of Paris

D

plaster of Paris, mixture of gases

Text Solution

Verified by Experts

The correct Answer is:
A
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