Question

Plaster of Paris should be stored in a moisture-proof container. Explain why?​

Answer 1

Answer:

Plaster of Paris (POP) should be stored in a moisture-proof container because Plaster of Paris, a powdery mass, absorbs water (moisture) to form a hard solid known as gypsum.

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Answer 2

Answer:

Explanation:

Plaster of Paris should be stored in a moisture-proof container because it absorbs moisture (or water) to form a hard substance called gypsum which makes Plaster of Paris useless.