Solutions -… | NUST Entrance Test Chemistry

Azeotropic mixtures :

Difficulty: Easy

A:

Boil at low temperature only.

B:

Boil at high temperature only.

C:

Do not ober Raoult's law.

D:

Ober Raoult's law.

Azeotropic mixtures can be separated by:

Difficulty: Easy

A:

Vacuum distillation

B:

Simple distillation

C:

Fractional distillation

D:

None of above

An Azeotropic mixture of two liquids boils at lower temperature than either of them when:

Difficulty: Easy

A:

It shows negative deviation from Raoult's law.

B:

It shows positive deviation from Raoult's law.

C:

It is saturated.

D:

It is unstable.

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