Q1) An aqueous solution of glucose is 20% in strength (by volume). The volume in which 1 gram mole of it is dissloved will be :

 

a)     9 L    b)    1.8 L   c)    8 L    d)   0.9 L

 

Q2) A solution contains 1.2046 X 1024 (10 raised to the power 24) Hydrochlric acid molecules in 1 dm3 ( volume ) of the solution. The concentration of the solution is :

 

a)     6 N    b)    2 N     c)    4 N    d)   8 N

 

Q3) The sum of mole fractions of A, B and C in an aqueous solution containing 0.2 moles of each A, B and C is :

 

a)     0.6     b)    0.2     c)    1.0     d)   1.2