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

Plaster of Paris, or calcium sulphate hemi hydrate (CaSO₄.1/2H₂O), is a white compound that sets into a hard mass in about half an hour after wetting with water. This property of plaster of Paris is used in making casts for broken limbs in hospitals.

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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.

Plaster of Paris, or calcium sulphate hemi hydrate (CaSO4.1/2H2O), is a white compound that sets into a hard mass in about half an hour after wetting with water. This property of plaster of Paris is used in making casts for broken limbs in hospitals.

Plaster of Paris, or calcium sulphate hemi hydrate (CaSO₄.1/2H₂O), is a white compound that sets into a hard mass in about half an hour after wetting with water. This property of plaster of Paris is used in making casts for broken limbs in hospitals.