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प्रश्न
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
One of the components changes directly from solid to gaseous state.
उत्तर
Sublimation – Mixture of common salt and ammonium chloride
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संबंधित प्रश्न
Name the technique to separate salt from sea-water.
Which separation technique will you apply for the separation of the following?
Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
Name a suitable technique of separation of the components from a mixture of calcium sulphate and camphor.
Define :- Sublimation
How will you separate a mixture of common salt, chalk powder and powdered camphor? Explain.
State the correct technique for the separation of the following mixture.
a sublimable solid and a non-sublimable solid.
Naphthalene and sodium chloride
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
What is dry ice or cardice?
The energy for the process of sublimation can be derived either from the surroundings or from the heat supplied.
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 |
