Which of the following statements are correct?
(i) Mixing two oppositely charged sols neutralises their charges and stabilises
(ii) Presence of equal and similar charges on colloidal particles provides
stability to the colloids.
(iii) Any amount of dispersed liquid can be added to emulsion without
(iv) Brownian movement stabilises sols.
NCERT Class XII
Chemistry - Exemplar Problems
Chapter 5. Surface Chemistry