How will you separate a mixture containing kerosene and petrol (the difference in their boiling points is more than 25°C), which are miscible with each other?


A mixture of kerosene and petrol which are miscible with each other can be separated by distillation.

Steps:
  • Take a mixture in a distillation flask.
  • Fit it with a thermometer.
  • Arrange the apparatus as shown in the figure.
  • Heat the mixture slowly.
  • Petrol vaporises first as it has a lower boiling point. It condenses in the condenser and is collected from the condenser outlet.
  •  Kerosene is left behind in the distillation flask.

Updated on: 15-Mar-2023

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