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Gypsum on heating to 390 K gives...

Gypsum on heating to `390 K` gives

A

`CaSO_4*2H_2O`

B

`CaSO_4`

C

`CasO_4*(1)/(2) H_2O`

D

`SO_3 and CaO`

Text Solution

Verified by Experts

The correct Answer is:
C
`CaSO_4. 2H_2O overset(393K)to CaSO_4. (1)/(2) H_2O +(3)/(2) H_2O `
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