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 immobilized. Can the change in POP be reversed?

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Solution

The change in Plaster of Paris cannot be reversed.

When water is added to POP, it undergoes a chemical change. A new substance is formed, and this change cannot be reversed.

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A thick coating of Plaster of Paris (POP) paste 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?

Q. Assertion :Plaster of Paris is used by doctors for setting fractured bones. Reason: When Plaster of Paris is mixed with water and applied around the fractured limbs, it sets into a hard mass.

Why is POP used for setting fractured bones?

Q. Why are fractured bones plastered?

A compound X having 2 molecules of water of crystallization.On heating, it becomes a new compound Y used in plastering of fractured bones.The compound X is ___ .

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Cement and Its uses

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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 immobilized. Can the change in POP be reversed?​

The change in Plaster of Paris cannot be reversed.​ When water is added to POP, it undergoes a chemical change. A new substance is formed, and this change cannot be reversed. ​

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 immobilized. Can the change in POP be reversed?

The change in Plaster of Paris cannot be reversed.

When water is added to POP, it undergoes a chemical change. A new substance is formed, and this change cannot be reversed.