Questions in solutions

Select	Question
	The normality of orthophosphoric acid having purity of 70% by weight and specific gravity 1.54 would be (H=1; O=16; P=31)
	The amount of water is required to be added to 200 c.c. of a semi-normal solution of NaOH to make it exactly decinormal is
	Normality of a 2 M sulphuric acid is
	Which amongst the following has the highest normality
	0.115 g of pure sodium metal was dissolved in 500 ml distilled water. The normality of the above solution would be
	12 g ${{H}_{2}}S{{O}_{4}}$was dissolved in water. The volume of the solution was made 1200 ml. The normality of the solution is
	An X molal solution of a compound in benzene has mole fraction of solute equal to 0.2. The value of X is
	Two mole of A are mixed with three moles of B to form a homogenous solution. The mole fraction of A in the solution is
	Mole fraction of glycerine ${{C}_{3}}{{H}_{5}}{{(OH)}_{3}}$in a solution containing 36 g water and 46 g of glycerine is
	The mole fraction of water in 20% aqueous solution of ${{H}_{2}}{{O}_{2}}$is