Question

preparation method of plaster of Paris​

Answer 1

Answer:

The name plaster of Paris came from the fact that it was first of all made by heating gypsum which was mainly found in Paris. The compound plaster of Paris is prepared by heating gypsum at 120oC. The chemical formula for the plaster of Paris is (CaSO4) H2O and is better known as calcium sulfate hemihydrate.

Answer 2

on heating gypsum at 373 K it loses water molecules and will become calcium sulphate hemihydrate .

USES

doctors uses as POP (PLASTER OF PARIS) for supporting fractured bones in the right position

2 . for making toys

3. making fire proof material