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6th Class Science Changes Around us Question Bank Changes Around us

  • question_answer
    To fix up the fractured bone a paste made of plaster of parts (POP) is used as a coating over the bandage on the fractured bone. After some time the plaster becomes hard and dry. This change in POP can be classified

    A) physical change

    B) permanent change

    C) change of state of mater

    D) None of these

    Correct Answer: B

    Solution :

        It is a permanent change as we cannot get back POP once it is dried.


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