Answers

2015-10-12T20:49:00+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Because air contains moisture this moisture can cause the setting of plaster of Paris into hard mass gypsum, Which makes the Plaster of Paris useless.
HOPE THIS CAN HELP U ......:)
1 5 1
2015-10-12T22:12:12+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Plaster of paris is CaSO_4. \frac{1}{2}H_2O . It has a tendency to absorb moisture and become gypsum(CaSO_4.2H_2O) which is undesirable. If it absorbs moisture, it becomes hard and it can't be used any more. So to prevent absorption of moisture from air, it is stored in tight packs or dry place.
1 5 1