Question

how we prepare plaster of Paris in lab?​

Answer 1

Answer:

heat the gypsum so that it looses the water then the pop will be formed

Explanation:

CaSO4.2H2O ---^---> CaSO4.½H2O + CaSO4.1½H2O

Answer 2

Answer:

Plaster of Paris can be prepared by heating Gypsum(Calcium Di-Hydrate)  373 K. At this temperature gypsum loses its water of crystallization and becomes Calcium Hemi-Hydrate (Plaster of Paris)

$CaSO_{4} . 2H_{2}O$ -------------> CaSO4. 1/2 H2O