Question

explain the preparation of POP why it should be stored in airtight containers explain with equation​

Answer 1

Explanation:

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.

C(POP)aSO4.12H2O+112H2O→Cgypsum(Hard solid)aSO4.2H2O