Calculate the number of binary liquid solutons which are expected to follow Raoult's law.
(1) Solution of benzene and toluene
(2) Solution of hexane and heptane
(3) Solution of chloform and methanol
(4) Solution of methanol and acetone
(5) Solution of chloform and acetone
(6) Solution of `HNO_(3)` and water
(7) Solution of aniline and phenol
(8) Solution of two volatile liquids which can give maximum boiling azeotrope.
(9) Very dilute aqueous solution of glucose
(10) Solution of two volatile liquids which on mixing do not show contraction`//`expansion of volume.

Answer

4