Question

explain the process of preparation of plaster of paris with the help of chemical equation

Answer 1

Plaster of Paris is prepared by heating gypsum at 373K.
CaSO4+2H2O=CaSO4.1 1/2H2O+1/2H2O

Answer 2

2CaSO4.2H2O--------393K-------2CaSO4.1/2H2O+1/2H2O