Question

plaster of paris could not be stored in moisture-proof container. explain

Answer 1

because pop could react with moisture present in the container to form a hard compound called gypsum.

CaSO4.1/2H2O + 3/2H2O ----------->
Pop moisture

CaSO4.2H2O
gypsum.



Hope it helps

Answer 2

plaster of Paris could be stored in moisture proof container because of we are going to store it in container containing moisture then it will react with water to form gypsum which is a hard substance