(i) solute and solvent both are same.

(ii) osmotic pressure is the same.

(iii) solute and solvent may or may not be same.

(iv) a solute is always the same solvent may be different.

Correct Answers:

(ii) osmotic pressure is the same.

(iii) solute and solvent may or may not be same.

Explanation: The osmotic pressure is the same and solute and solvent may or may not be same in an isotonic solution.