Question

Write down a difference in the properties of the gases in air which enable the gases to be
separated using the method of fractional distillation.

Answer 1

Answer:

Air is a homogeneous mixture and can be separated into its components by fractional distillation. The flow diagram given under shows the steps of the process. If we want oxygen gas from air, we have to separate out all the other gases present in the air.Since the boiling point of nitrogen and oxygen are very close to each other, hence, fractional distillation is used to separate the components of liquid air. The difference in the boiling point of nitrogen and oxygen is less than 20oC

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