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प्रश्न
Choose the correct option.
Which of the following techniques is used for the separation of glycerol from soap in the soap industry?
विकल्प
Distillation under reduced pressure
Fractional distillation
Filtration
Crystallization
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उत्तर
Distillation under reduced pressure
APPEARS IN
संबंधित प्रश्न
How would you confirm that a colourless liquid given to you is pure water?
Give a brief description of the principle of the following technique taking an example.
Distillation
Define :- Distillation
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 :
Give one word answer
The liquid which evaporates and then condenses during the process of distillation
Give one word answer
The process by which two miscible liquids are separated
Give a scientific reason.
A wet cloth is wrapped around a water storage container in summer.
Explain the difference between Separation by distillation and by separating funnel.
Write an answer to the following question in your own words.
Where are the methods of separation by distillation and by separating funnel used? Why?
Write an answer to the following question in your own words.
Which precaution will you take while using the methods of distillation and separation by separating funnel?
State the correct technique for the separation of the following mixture.
a low boiling point liquid from a high boiling point liquid.
Pure water from impure water
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Methyl alcohol and water
- Give the principle involved in the separation of the mixture
- Give the technique of separation of the mixture.
Choose the correct option.
Which of the following methods can be used to separate two compounds with different solubilities in the same solvent?
Choose the correct option.
A mixture of acetone and benzene can be separated by the following method:
Why is a condenser used in distillation process?
What is the difference between simple distillation and fractional distillation?
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 |
Explain the factors, which will affect the rate of evaporation, taking examples from our daily life experiences.
What is distillation?
A mixture of benzene and chloroform is separated by ______.
