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प्रश्न
Define the following term : Brownian movement
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?
Explain what is observed When a beam of light is passed through a colloidal sol.
Explain what is observed An electrolyte, NaCl is added to hydrated ferric oxide sol.
Explain what is observed Electric current is passed through a colloidal sol?
Answer the following question.
Why are medicines more effective in the colloidal state?
Which of the following will show Tyndall effect?
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.
Assertion: Colloidal solutions do not show brownian motion.
Reason: Brownian motion is responsible for stability of sols.
Define coagulation.
Which of the following is a correct statement?
