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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
Write an equation to show the reaction between Plaster of Paris and water.
What will happen if heating is not controlled while preparing plaster of Paris?
What is plaster of Paris? Write the chemical formula of plaster of Paris.
A compound X which is prepared from gypsum has the property of hardening when mixed with a proper quantity of water.
For what purpose is it used in hospitals?
The chemical formula for plaster of Paris is :
______ is an important material in the construction industry.
______ is used in making blackboard chalks.
Calcium sulphate hemihydrate is called as ______.
Match the Following:
| 1. | Antiseptic | a. | Plaster of paris |
| 2. | Making casts for statues | b. | Phenol |
| 3. | Ease stress and relaxes | c. | Gypsum |
| 4. | Fertilizers | d. | Epsum |
Analogy:
______: Calcium Sulphate Dihydrate:: Plaster of Paris: Calcium Sulphate Hemihvdrate.
