Write the name of the products formed by heating gypsum at 373K.Write one use of it

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Solution

Dear student,

On heating gypsum at 373 K, it loses water molecules and becomes calcium sulphate hemihydrate ( CaSO₄. 1/2 H₂O). This is called Plaster of Paris.

Plaster of Paris is chemically calcium sulphate hemihydrate, and has the chemical formula CaSO₄.1/2H₂O. Its uses are as follows

1) It is used in making toys, materials for decoration and for making smooth surfaces.

2) It is used in surgical bandages by doctors for supporting fractured bones in the right position.

3) It is used in making casts of statues, moulds for pottery and ceramics. It is also used in building material.

4) It is used in dentistry.

Regards

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