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प्रश्न
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.
उत्तर
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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संबंधित प्रश्न
Name the product obtained when Plaster of Paris is mixed with water. State the use of the product. Give two uses of POP.
Name a calcium compound which hardens on wetting with water.
What will happen if heating is not controlled while preparing plaster of Paris?
Plaster of Paris has a remarkable property of setting into a hard mass on addition of water.
Name the compound which is used in hospitals for setting fractured bones.
Name the raw material used for the preparation of plaster of Paris.
Plaster of Paris is prepared by heating one of the following to a temperature of 100°C. This is:
(a) CaSO3.2H2O
(b) CaCl2.2H2O
(c) CaCO3.2H2O
(d) CaSO4.2H2O
______ is an important material in the construction industry.
______ is used in making blackboard chalks.
Calcium sulphate hemihydrate is called as ______.
