Gypsum on heating at 120°C 130°C gives:
Gypsum on heating at 120°C 130°C gives:
(a) Hemihydrate
(b) Monohydrate
(c) Dihydrates
(d) Anhydrous salt
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Correct Option (a) Hemihydrate
Explanation :
CaSO42H2O + 120°C → CaSO4 .1/2H2O
or (CaSO4 ).H2O Gypsum
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