Question

A thick coating of plaster of Paris paste is applied on a bandage on a fractured bone. The paste becomes hard on drying. Can this be reversed? Why?

Answer 1

Answer:

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.

Answer 2

Answer:

no it cannot be reversed

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.