Advertisements
Advertisements
प्रश्न
Choose the correct option.
Which of the following methods can be used to separate two compounds with different solubilities in the same solvent?
विकल्प
Fractional crystallization
Crystallization
Distillation
Solvent extraction
Advertisements
उत्तर
Fractional crystallization
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
What is the difference between distillation, distillation under reduced pressure and steam distillation ?
Define :- Distillation
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 :
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
Select the correct alternative from the choices given for the following statement:
Components of crude petroleum can be separated by
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.
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 techniques is used for the separation of glycerol from soap in the soap industry?
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?
Define Distillation
Which of the tubes in Fig. 2.1 (a) and (b) will be more effective as a condenser in the distillation apparatus?
Assertion (A): Simple distillation can help in separating a mixture of propan-1-ol (boiling point 97°C) and propanone (boiling point 56°C).
Reason (R): Liquids with a difference of more than 20°C in their boiling points can be separated by simple distillation.
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.
Draw a diagram of bubble plate type fractionating column. When do we require such type of a column for separating two liquids. Explain the principle involved in the separation of components of a mixture of liquids by using fractionating column. What industrial applications does this process have?
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 ______.
