1.A colligative property is

2.A non-volatile electrolyte, dissolved in equimolal proportion as non-volatile non-electrolyte, produces

3.How many grams of a dibasic acid (Molecular mass = 200) should be present in 100 ml of its aqueous solution to give decinormal strength?

4.The number of moles of sodium hydroxide present in 2.5 L of 0.5 M aqueous solution is

5.For a solution containing non-volatile solute, the relative lowering of vapour pressure is 0.2. If the solution contains 5 moles in all, which of the following are true?I. Mole fraction of solute in the solution is0.2II. No. of moles of solute in the solution is 0.2III. No. of moles of solvent in the solution is 4IV. Mole fraction of solvent is0.2.