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Plaster of Paris is __________(a) Double hydrate of aluminium sulphate(b) Double hydrate of calcium sulphate(c) Hemihydrate of calcium sulphate(d) Hemihydrate of aluminium sulphateI have been asked this question in a job interview.I'd like to ask this question from Miscellaneous Materials in portion Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials |
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Answer» The correct choice is (c) Hemihydrate of calcium sulphate |
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