Question

Why anhydrous plaster of paris is called dead burn?

Answer 1

Answer:

Hey Mate your answer is right here........

Explanation:

Because When plaster of Paris CaSO4.1/2 H2O is heated above 393 K, its water of crystallisation is lost and anhydrous Calcium sulphate is left that is known as a dead burnt plaster.

Hope it helps U......

Answer 2

when plaster of paris is burnt at393K,its water of crystallisation is lost and anhydroous sulphate is left so plaster of paris is called dead burn