Explain how the separation of the following mixtures is carried out:
a. Mixture of alum from impure samples
b. Components of blood and urine
c. Mixture of iron filings, sand and husk
d. Mixture of sand, water and salt
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Answer:
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 lower boiling point. It condenses in the condenser and is collected from the condenser outlet.
Kerosene is left behind in the distillation flask.
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