Question

how is plaster of paris prepared?why is plaster of paris stored in an air-light container ?and write the uses of plaster of paris​

Answer 1

Answer:

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Explanation:

Plaster of Paris is prepared by heating gypsum at 373K, it loses water molecules and becomes calcium sulphate hemihydrate (CaSO4. 1/2H2O). It is kept in air tight container as because as soon as it comes in contact with moisture it turns back in Gypsum.