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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_4.1/2H_2O`

D

`SO_3 " and "CaO`

Text Solution

Verified by Experts

The correct Answer is:
B
Gypsum on heating to `300^(@)`C gives anhydration `underset("Gypsum")CaSO_4.2H_2Ooverset(200^(@)C)toCaSO_4+2H_2Ouparrow`
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