Question

$plaster of paris should in moisture- proof container ' expiain why/$

Answer 1

Answer:

plaster of paris should be kept in moisture free container because if it is kept open to contact with air then it will absorb moisture.

Plaster of Paris has a property of hardening whenever water is added to it . So if it gets moisture then it will harden and will become unfit for use .

additional info :

• formula of plaster of Paris CaSO4.½H20 (calcium sulphate hemihydrate)
• It is formed from gypsum ie CaSO4.2H²O.

hope it helps

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