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प्रश्न
Explain the uses of plaster of paris.
उत्तर
Uses of plaster of pairs:
- In making blackboard chalks.
- In surgery for setting fractured bones.
- For making casts for statues and toys etc.
- In the construction industry.
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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.
Write an equation to show the reaction between Plaster of Paris and water.
What is gypsum? What happens when gypsum is heated to 100°C (373 K)?
Name the compound which is used in hospitals for setting fractured bones.
Which property of plaster of Paris is utilised in making casts for broken limbs in hospitals?
How is plaster of Parish prepared? Write chemical equation of the reaction involved.
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
How many water molecules does hydrated calcium sulphate contain?
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.
