Q34 of 44 Page 17

A solution is always a liquid. Comment.

No, solutions are generally liquid but not always necessary. Solutions can be solids and gases. Examples are brass and air, respectively. Alloys are a solution of solid in solid. Air is a solution of gases in gases.


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Fractional distillation is suitable for separation of miscible liquids with a boiling point difference of about 25 K or less. What part of fractional distillation apparatus makes it efficient and possess an advantage over a simple distillation process. Explain using a diagram.

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Can a solution be heterogeneous?

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