Question

Write down the equation to show that plaster of paris and gypsum are inter related.​

Answer 1

Explanation:

HEY MATE ..

Plaster of Paris when reacts with water liberating heat through crystallization. Gypsum is produced by heating plaster of paris to about 150-degree Celsius. When the dry plaster of paris powder is mixed with water it reforms into gypsum. Depending upon the temperature gypsum converts to hemihydrate or anhydrous form.

CaSO4. 1/2 H2O + 3/2H2O ⇒CaSo4.2H2O ( gypsum)

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