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प्रश्न
Define the following term : Brownian movement
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उत्तर
The continuous random zig-zag motion of colloidal particles in the colloidal solution, when observed under an ultramicroscope, is called Brownian movement/motion.
संबंधित प्रश्न
What is the reason for the stability of colloidal sols?
Define the following term:
Zeta potential
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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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