Sarthaks Test
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Which of the following statements are correct?

(i) Mixing two oppositely charged sols neutralises their charges and stabilises the colloid.

(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 destabilising it.

(iv) Brownian movement stabilises sols.

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(ii), (iv)

(ii) Presence of equal and similar charges on colloidal particles provides stability to the colloids.

(iv) Brownian movement stabilises sols.

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