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प्रश्न
Name the raw material used for the preparation of plaster of Paris.
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उत्तर
Gypsum (CaSO4.2H2O)
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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.
What is the commercial name of calcium sulphate hemihydrate?
Name a calcium compound which hardens on wetting with water.
What will happen if heating is not controlled while preparing plaster of Paris?
State a peculiar (or remarkable) property of plaster of Paris.
Name the compound which is used in hospitals for setting fractured bones.
State two important uses 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.
- Identify the compound X.
- Write the chemical equation for its preparation.
- For what purpose is it used in hospitals?
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?
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 formula for plaster of Paris is:
How are detergents manufactured?
How many water molecules does hydrated calcium sulphate contain?
______ is used in making blackboard chalks.
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:
Blackboard chalks: ______:: Plant growth: Epsum.
Analogy:
______: Calcium Sulphate Dihydrate:: Plaster of Paris: Calcium Sulphate Hemihvdrate.
