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  3. 6th Class
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  5. Changes Around us

6th Class Science Changes Around us

  • question_answer 11)
    A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?

    Answer:

    No, the change in POP cannot be reversed because it is a irreversible chemical change.


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