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प्रश्न
Define Sublimation.
उत्तर
Certain solids change directly to a gas without passing through the liquid is called sublimation.
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संबंधित प्रश्न
Which separation technique will you apply for the separation of the following?
Small pieces of metal in the engine oil of a car.
Name a suitable technique of separation of the components from a mixture of calcium sulphate and camphor.
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Sublimation
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Sublimation
Fill in the blank
Iodine, camphor, naphthalene, ammonium chloride and dry ice are some substances that _________
Naphthalene and sodium chloride
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Select the correct answer from the choice in the bracket.
The ideal method to separate iodine and KCI.
The energy for the process of sublimation can be derived either from the surroundings or from the heat supplied.
Which one of the following can be purified by sublimation?
The correct match between items I and II is:
| Item - I (Mixture) |
Item - II (Separation method) |
||
| (A) | H2O : Sugar | (P) | Sublimation |
| (B) | H2O : Aniline | (Q) | Recrystallization |
| (C) | H2O : Toluence | (R) | Steam distillation |
| (S) | Differential extraction |
