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Which process is used to separate a mixture of two miscible liquid A and B having boiling points 56ºC and 65ºC respectively?DistillationFractional distillationSublimationSteam distillation

Question

Which process is used to separate a mixture of two miscible liquid A and B having boiling points 56ºC and 65ºC respectively?DistillationFractional distillationSublimationSteam distillation

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Solution

The process used to separate a mixture of two miscible liquids A and B, with boiling points of 56ºC and 65ºC respectively, is Fractional Distillation.

Here are the steps involved in this process:

  1. The mixture is put into a flask and a fractionating column is fitted above it.

  2. The mixture is then heated. The liquid with the lower boiling point (Liquid A in this case) will vaporize first.

  3. The vapor rises up the fractionating column. As it cools, it condenses on the sides of the column.

  4. The temperature at the top of the column will remain at the boiling point of the first liquid until all of that liquid has vaporized.

  5. Once all of the first liquid has been collected, the temperature at the top of the column will rise to the boiling point of the second liquid (Liquid B in this case).

  6. The second liquid can then be collected.

This process allows the two liquids to be separated based on their different boiling points.

This problem has been solved

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