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What is dead burnt plaster ?...

What is dead burnt plaster ?

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When Plaster of Paris is heated above 393K, no water of crystallisation is left and anhydrous calcium sulphate `(CaSO_(4))` is formed. This is known as .dead burnt plaster..
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Knowledge Check

  • Dead burnt plaster is ____________

    A
    `CaSO_4`
    B
    `CaSO_4.1//2H_2O`
    C
    `CaSO_4.H_2O`
    D
    `CaSO_4.2H_2O`
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