Write chemical equation to prepare plaster of paris from gypsum.

1.	Write chemical equation to prepare plaster of paris from gypsum.
Answer» CaSO4.2H2O → CaSO4.1/2H2O + 3/2H2O 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.CaSO4.2H2O → CaSO4.1/2H2O + 3/2H2OThe chemical formula for the plaster of Paris is (CaSO4) H2O and is better known as calcium sulfate hemihydrate.

Discussion