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Plaster of Paris hardens by...

Plaster of Paris hardens by

A

Giving off `CO_(2)`

B

Changing into `CaCO_(3)`

C

Uniting with water

D

Giving out water

Text Solution

Verified by Experts

The correct Answer is:
C
`underset("Plaster of paris")(CaSO_(4).1/2H_(2)O)+ 1/2 H_(2)O to underset("Hard mass")(CaSO_(4).2H_2O)`
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