Question

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

Answer 1

Answer:

chemical change because this can not be revised

Answer 2

Answer:

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

Answer: No, the change in plaster of Paris cannot be reversed as it became hard on drying and new product is formed.