9 ml of liquid ‘A’  is mixed with 9 ml of liquid ‘B’. The volume of the mixture formed is 18 ml. The two liquids are most likely to be

VA=9 ml ; VB=9 ml ; Vmix=18 ml ; ∆Vmix= 0 ; Magnitude of A-B interactions is equal to magnitude of A-A and B-B interactions; Solution is ideal; Mixture of benzene and toulene is an ideal solution;