Why plaster of paris should be stored in a moisture proof container?

1.	Why plaster of paris should be stored in a moisture proof container?
Answer» Or else it forms gypsum POP reacts with water and form GYPSUM. It cannot further used so to prevent this POP stored in moisture proof container.CaSo4.1/2H2O + 3/2H2O = Caso4.2H2O(POP) Because if it is not stored in moisture proof container , it reacts with water from sournding to form gypsum.....

Discussion