Question

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

Answer 1

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:

The white powder of Plaster of Paris on mixing it with water changes to gypsum and sets in as a hard solid mass. Due to this reason Plaster of Paris should be stored in air tight container ....

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