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प्रश्न
The chemical formula for plaster of Paris is:
विकल्प
CaSO4 . 2H2O
CaSO4 . H2O
CaSO4 . `1/2`H2O
2 CaSO4 . H2O
MCQ
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उत्तर
CaSO4 . `bb(1/2)`H2O
Explanation:
Plaster of Paris is the common name for calcium sulfate hemihydrate. Its chemical formula CaSO4 . `1/2`H2O.
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