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