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A mixture of two volatile liquids having...

A mixture of two volatile liquids having little difference in their boiling points can be purified by

A

Distillation

B

Crystalization

C

Column chromatography

D

Fractional distillation

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The correct Answer is:
D
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Read the given passage and fill in the blanks by choosing an appropriate option. When a mixture of two ul(" (i) ") liquids having a difference of 25^(@)C in their boiling points is to be separated, a ul(" (ii) ") is used which increases the ul(" (iii) ") surface area. As a result, when the vapours of both the liquids rise, the ul(" (iv) ") volatile liquid will condense while the vapours of ul(" (v) ") volatile liquid will rise.

Read the given passage and fill in the blanks by selecting an appropriate option. When a mixture of two (i)_____ liquids having a difference of less than 25^@C in their boiling points is to be separated, a (ii)_____ is used which increases the (iii)____ surface area. As a result, when the vapours of both the liquids rise, the (iv)____ volatile liquid will condense while the vapours of (v)___ volatile liquid will rise.

You have a mixture of three liquids A, B and C. There is a large difference in the boiling points of A and rest of the tow liquids i.e., B and C. Boiling point of liquids B and C are quite close. Liquid A boils at a higher temperature than B and C and boiling point B is lower than C. How will you separate the components of the mixture. Draw a diagram showing set up of the apparatus for the process.

Distillation is used to separate liquids which differ in their boiling point by

AAKASH INSTITUTE-MOCK TEST 31-Example
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  17. Boiling point is highest for which compound?

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