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Plaster of paris in contact with water s...

Plaster of paris in contact with water sets into a hard mass. The composition of hard mass is:

A

`CaSO_4. H_2O`

B

`CaC_2 and CO`

C

`CaSO_4 . 2H_2O`

D

`CaC_2 and CO_2`

Text Solution

Verified by Experts

The correct Answer is:
C
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