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प्रश्न
Select the correct alternative from the choices given for the following statement:
Components of crude petroleum can be separated by
विकल्प
distillation
evaporation
filtration
fractional distillation
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उत्तर
fractional distillation
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संबंधित प्रश्न
How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25°C), which are miscible with each other?
How is distillation more advantageous than evaporation?
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
Fractional distillation :
Explain the difference between Separation by distillation and by separating funnel.
Define Distillation
Alcohol can be separated from water by ______.
Match the type of mixture of compounds in Column I with the technique of separation/purification given in Column II.
| Column I | Column II |
| (i) Two solids which have different solubilities in a solvent and which do not undergo reaction when dissolved in it. | (a) Steam distillation |
| (ii) Liquid that decomposes at its boiling point | (b) Fractional distillation |
| (iii) Steam volatile liquid | (c) Simple distillation |
| (iv) Two liquids which have boiling points close to each other | (d) Distillation under reduced pressure |
| (v) Two liquids with large difference in boiling points. | (e) Crystallisation |
Two liquids (A) and (B) can be separated by the method of fractional distillation. The boiling point of liquid (A) is less than boiling point of liquid (B). Which of the liquids do you expect to come out first in the distillate? Explain.
Explain the factors, which will affect the rate of evaporation, taking examples from our daily life experiences.
A mixture of benzene and chloroform is separated by ______.
