1.Solutions with same vapour pressures are called

2.The addition of a non-volatile solute to the solvent results in lowering of

3.Two solutions A and B are separated by a semipermeable membrane. Solution B has greater vapour pressure than solution A. Water will flow from

4.Certain substance trimerises when dissolved in a solvent A. The vant Hoffs factor i for the solutions is

5.3% solution of glucose is isotonic with 1% solution of a non-volatile non-electrolyte substance. The molecular mass of the substance would be