question_answer 66)

    An emulsion cannot be broken by ......... and......... . (a) heating (b) adding more amount of dispersion medium (c) freezing (d) adding emulsifying agent

Answer:

                    (b, d) Emulsions are liquid-liquid colloidal system. They can't be broken by adding more amount of dispersion medium and adding emulsifying agent as on adding more amount of dispersion medium they become dilute and on adding emulsifying agent they get stabilises.