Question

plaster of paris is stored moisture condition exaplin why

Answer 1

Plaster of paris contains 1/2 molecule of water and if completely dry will harden and form dead burnt plaster which don't have qualities like POP...

So it is better to store it in moisture..

HOPE IT HELPS

Answer 2

Because if it is left it will set into a hard mass and will not be retained in its original form
CaSO4.½h2O + 1½ H2O = CaSO4.2H2O ( hard mass)