Question

6.
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?
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Answer 1

Explanation:

no, the change in POP cannot be reversed?

it's irreversible change.

Answer 2

No the changein pop can't be reversed.