Consider the following statements.
1. During the pressure of osmosis, the solvent travels from the concentrated solution to the dilute solution.
2. In the reverse osmosis, external pressure is applied to the dilute solution.
Which of the statement(s) given above is/are correct?

A solution which contains the maximum amount of the solute that can be dissolved in a given amount of solvent at a particular temperature is called

A. saturated solution

B. unsaturated solution

C. supersaturated solution

D. none of the above

Azeotropic mixtures are

A. mixture of two solids

B. those which boil at different temperatures

C. those which can be fractionally distilled

D. the constant boiling mixture

The process of diffusion in gases take place due to the

A. difference in their densities

B. difference in their composition

C. equal in densities

D. All of the above

The process of separating of cream from milk is called

A. electro-osmosis

B. emulsion

C. emulsification

D. demulsification