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What is meant by Brownian movement? |
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Answer» SOLUTION :(i) Robert Brown observed that when the pollen grains suspended in WATER were viewed through an ultra microscope, they showed a RANDOM, zigzag, ceaseless motion. This is called Brownian movement of colloidal particles. (ii) The colloidal sol particles are continuously BOMBARD with the MOLECULES of dispersion medium and hence they follow a zigzag, random, continuous movement.
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