Question

Anhydrous calcium sulphate can not be used as plaster of paris.Give reason?​

Answer 1

Answer:

Because it is hard and donot have 1/2 molecule of water.....

Answer 2

Answer:

Anhydrous calcium sulfate is essentially insoluble in water. ... When water is added to the hemihydrate, a reaction occurs that results in the formation of a hard, solid mass (plaster of Paris) used in making casts, such as those used to hold broken bones in place.

Hope it help.