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. saturated solution B. unsaturated solution C. supersaturated solution D. none of the above

A. mixture of two solids B. those which boil at different temperatures C. those which can be fractionally distilled D. the constant boiling mixture

A. difference in their densities B. difference in their composition C. equal in densities D. All of the above

A. electro-osmosis B. emulsion C. emulsification D. demulsification