Question

plaster of paris should be stored in a moisture proof container. explain why?​

Answer 1

Answer:

Bcuz presence of moisture can cause it's slow setting by bringing about its hydration that make plaster of paris useless after sometime

Answer 2

Answer:

plaster of paris should be stored in a moisture proof container because plaster of paris can react with water to form a hard substance called gypsum.

so it should be stored in a water proof container.

Explanation:

CaSO4 . 1/2 H2O ------> CaSO4.2H2O