Rajasthan BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
Question
What is Brownian movement?
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Answer
Brownian Movement : When viewed through an ultramicroscope, colloidal particles are seen continuously moving in a zig-zag way. Robert Brown in 1827 observed such a movement of pollen grains suspended in water and hence, it is called Brownian movement.
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