1.

Write the chemical name and formula of gypsum. What happens when gypsum is heated at 373 K. Write chemical equation for the reaction.

Answer»

Calcium sulphate dihydrate; CaSO4.2H2O

CaSO4.2H2O+373K  CaSO4.1/2H2O+1 1/2 H2O

CaSO4.2H2O-Gypsum

 CaSO4.1/2H2O- plaster of paris

Detailed Answer:

Chemical name of the gypsum-Calcium sulphate dihydrate Chemical formula of gypsum- CaSO4.2H2O When Gypsum is heated at 373 K it will plaster of paris and water.

CaSO4.2H2O+373K  → CaSO4.1/2H2O+1 1/2 H2O



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