Question

What is gypsum what happen when gypsum is heated too 100°c

Answer 1

A soft white or grey mineral consisting of hydrated calcium sulphate. It occurs chiefly in sedimentary deposits and is used to make plaster of Paris and fertilizers, and in the building industry.


When gypsum is heated to 100C it turns in toplaster of paris.
the reaction :
CaSO4.2H2O-----------CaSO4. 1/2H2O
Gypsum Powdered POP

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