A thick coat of Plaster of Paris (POP) paste is applied over the bandage on a
fractured bone. The paste becomes hard on drying to keep the fractured bone
immobilized. Can the change in POP be reversed? Justify your answer
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A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. Itbecomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed? Answer: This is an example of chemical changewhich cannot be reversed by using simple physical means.
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Answer:
No, the change in POP cannot be reversed since it is a chemical change.
Explanation:
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. ... No, the change in plaster of Paris cannot be reversed. When water is added to POP, it undergoes a chemical change.
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