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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, calcium sulphide

B

dead burnt plaster, plaster of Paris, lime

C

Plaster of Pairs, dead burnt plaster, calcium sulphite

D

plaster of Paris, dead burnt plaster, calcium oxide (lime)

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The correct Answer is:
D
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