The best method to separate two miscible liquids having close boiling points is___________.

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simple distillation

vacuum distillation

steam distillation

fractional distillation

answer is D.

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Detailed Solution

Miscible liquids are those that mix completely with each other and there is no visible boundary after mixing.
Fractional distillation is the best method to separate the two miscible liquids having close boiling points.
The fractionating column is the most important part of the fractional distillation apparatus.
This column is provided with some glass beads in it. It helps to obstruct the upward movement of the vapours of the two liquids.
The vapours of high boiling liquid get condensed earlier. The energy released helps to take the vapours of low boiling liquid to a height in the fractionating column.

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