Question

How is plaster of paris prepared? what is its chemical formula and chemical name?

Answer 1

Answer:

Plaster of Paris is prepared by heating gypsum [which is chemically calcium sulphate dihydrate (CaSO4.2H2O)] at 373 K. On heating at 373 K, gypsum loses water molecules and becomes Plaster of Paris, which has the chemical name calcium sulphate hemihydrate. Its chemical formula is CaSO4.1/2H2O.  Following is the chemical equation for the reaction

Plaster of Paris is prepared by heating gypsum [which is chemically calcium sulphate dihydrate (CaSO4.2H2O)] at 373 K. On heating at 373 K, gypsum loses water molecules and becomes Plaster of Paris, which has the chemical name calcium sulphate hemihydrate. Its chemical formula is CaSO4.1/2H2O.  Following is the chemical equation for the reaction

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