Question

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

Answer 1

Answer:

because it react with oxygen and form gypsum

Answer 2

|$\large\tt\purple{Explanation}$|

Plaster of Paris should be stored in moisture-proof container because moisture can affect plaster of Paris by slowing down the setting of the plaster because of hydration. This will turn plaster useless.