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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Plaster of Paris becomes Gypsum when it gain water molecules. If the gypsum is heated at 373K, it loses water molecules and becomes what is commonly known as Plaster of Paris.
CaSO4 . 2H2O ----373K----» CaSO4 . 1/2H2O
Plaster of Paris becomes Gypsum when it gain water molecules. If the gypsum is heated at 373K, it loses water molecules and becomes what is commonly known as Plaster of Paris.
CaSO4 . 2H2O ----373K----» CaSO4 . 1/2H2O
Kanika007:
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Answered by
18
No the plaster of Paris structure cannot be reversed.
Explanation:
- Plaster of Paris hardens when it dries. This cannot be reversed in any way.
- However, when water is added to the hardened plaster of Paris it can melt away. This melting is a chemical change and no reversal.
- For this reason, doctors ask patients with broken limbs to stay away from water and not allow water to fall on their plasters during healing.
Learn more about Plaster of Paris:
Why the plaster of Paris are stored in air tight packs or non wet places ( dry places)?
https://brainly.in/question/208313
Formation of plaster of Paris with chemical equation.
https://brainly.in/question/3968964
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