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Plaster of Paris is...

Plaster of Paris is

A

`Ca SO _(4) . 2 H _(2) O`

B

`Ca SO _(4) . (1)/(2) H _(2)O`

C

`CaSO _(4) . 5 H _(2) O`

D

`CaSO _(4) . H _(2) O`

Text Solution

Verified by Experts

The correct Answer is:
B
Plaster of Paris is calcium sulphate hemihydrate whose chemical formula is `(CaSO _(4) . (1)/(2) H _(2) O).`
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Knowledge Check

  • Plaster of Paries is obtained

    A
    by adding water to calcium sulphate
    B
    by adding sulphuric acid to calcium hydroxide
    C
    by heating gypsum to a very high temperature
    D
    by heating gypsum to `100^(@)C` .

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