Question

The solution of two completely miscible liquids which boils at a constant temperature like a pure liquid and distils over ______ any change in composition, is called an ______ mixture.

Answer 1

The solution of two completely miscible liquids which boils at a constant temperature like a pure liquid and distils over without any change in composition, is called an azeotropic mixture.

Explanation:

An azeotropic mixture behaves like a single pure compound during boiling. Its liquid and vapour phases have the same composition, so it distils without change in composition, making it impossible to separate completely by simple distillation.