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  1. The chemical name of 'Plaster of Paris' commonly used for setting broken bones is

    2. A.

     Calcium nitrate
    B.

     Calcium sulphate
    C.

     Calcium carbonate
    D.

     Calcium chloride

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    Answer : Option B

    Explanation :

    Plaster of Paris is the common name of Calcium Sulphate hemihydrate, with chemical formula: CaSO4.1/2H2O. Plaster of Paris is produced by heating gypsum to about 150°C.

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