Which one of the following is/are true in the formation of emulsion?
i) the liquid in larger proportion act as dispersion of medium
ii) the liquid with higher surface tension forms the dispersion medium
iii) the liquid in which the emulsifying agent is more soluble forms the dispersion medium
iv) an emulsion is formed by vigorous shaking of two immiscible liquids
i, ii & iii
an emulsion is formed by adding an emulsifying agent to two immiscible liquids