Question

Differanciate between plaster of Paris and dead burnt?

Answer 1

Answer:

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.

Explanation:

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Answer 2

Answer:

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.