A white chemical compound becomes hard on mixing with proper quantity of water. It is also used in surgery to maintain joints in a fixed position. Name the chemical compound.

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Solution

The chemical compound is Plaster of Paris -- Calcium sulphate hemihydrate - $C a S O_{4} . \frac{1}{2} H_{2} O$

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A white chemical compound becomes hard on mixing with proper quantity of water. It is also used in surgery to maintain joints in a fixed position. Name the chemical compound.

The chemical compound is Plaster of Paris -- Calcium sulphate hemihydrate - CaSO4.12 H2O

The chemical compound is Plaster of Paris -- Calcium sulphate hemihydrate - $C a S O_{4} . \frac{1}{2} H_{2} O$