Question

how is plaster of Paris prepared ? why is it used for setting fractured bones?​

Answer 1

Answer:

Plaster of Paris is prepared by heating gypsum at 373 K. On heating, it loses water molecules and becomes calcium sulphate hemihydrate (CaSO4.1/2h2o)  which is called plaster of Paris.

PLaster of paris is used in hospitals for setting fractured bones.

Plaster of Paris when mixed with water applied around the fractured limbs, it sets into a hard mass and keeps the bone joints in a fixed position.  

So, it can be used for setting fractured bones.

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Answer 2

Plaster of Paris (CaSO4 1/2H2O) is prepared by heating gypsum.

Chemical Equation for the preparation of plaster of Paris is in the above attachment.

It is used for fractured bones because it becomes very strong when it comes in contact with water and can hold the bones without moving which makes them to get back to the normal situation.

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