Question

    What is the formula for Plaster of Paris?

    A G₂ sleeping₂ KI/2H₂O Correct Answer Incorrect Answer
    B G₂ sleep₄ KI/2H₂O Correct Answer Incorrect Answer
    C CaSO₄ KI/2H₂O Correct Answer Incorrect Answer
    D CaSO₄ Correct Answer Incorrect Answer

    Solution

    The correct answer is CaSO4.1/2 H2O. Plaster of Paris (POP) is a quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry.

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