Question

What is gypsum? What happens when gypsum is heated at 100°C (375K)?​

Answer 1

Answer:

Explanation:

Gypsum is a material that is made from pop by adding water of crystallisation. When it is heared to 100 degree Celsius it gets converted into plaster of Paris again.

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Answer 2

Answer:

Gypsum is a mineral whose chemical formula is CaSO4•2H2O

When gypsum is heated at 100°C, it's converted to plaster of paris (Calcium sulphate hemihydrate - CaSO4•1/2H2O). If it is heated beyond this point, then it becomes 'dead burned plaster"