Practice

Questions

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CUET

Q29. Which of the following statement is incorrect? (a) Brownian movement stabilises sol. (b) Both emulsifier and peptising agents stabilises colloids but their actions are different. (c) Mixing two oppositely charged sols neutralizes their charges and stabilises the colloid. (d) The stability of lyophobic colloidal particles is due to preferential adsorption of ions on their surface from the solution.