16.A non-volatile electrolyte dissolved in an aqueous solution in same molal proportion as non-electrolyte produces

17.An aqueous solution of glucose is 10% in strength. The volume in which 1 gm mole of it is dissolved will be

18.Two liquids A and B form an ideal solution. At 300 K the vapour pressure of a solution of 1 mole of A and x moles of B is 550 mm. If the vapour pressures of pure A and B are 400 mm and 600 mm respectively, then x is

19.A supersaturated solution is a metastable solution whose solute concentration

20.The normality of a 2.3 M sulphuric acid solution is