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Plaster of Paris is obtained by heating...

Plaster of Paris is obtained by heating

A

gypsum

B

limestone

C

sodium carbonate

D

calcium sulphate

Text Solution

Verified by Experts

The correct Answer is:
A
`underset("gypsum")(2CaSO_(4).2H_(2)O)overset(100^(@)C)to underset("plaster of paris")((CaSO_(4))_(2)3overset(+)H_(2)O)`
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Can plaster of Paris be obtained by heating calcium sulphate at a temperature beyond control ?

Plaster of paris is prepared by heating one of the following to a temperature of 100^(@)C this is:

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` .

  • Plaster of Paris is hardened by

    A
    Liberating `CO_(2)`
    B
    Hydration
    C
    Dehydration
    D
    Changing into `CaCO_(3)`

  • Plaster of paris of

    A
    `CaSO_(4)2.H_(2)O`
    B
    `CaSO_(4).3H_(2)O`
    C
    `CaSO_(4).H_(2)O`
    D
    `CaSO_(4).1/2H_(2)O`

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