Maharashtra BoardEnglish MediumSTD 8ScienceComposition of Matter3 Marks
Question
The constituent substances of a colloid cannot be separated by oridinary filtration.
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Answer
A colloidal solution is heterogeneous.
The diameters of colloidal particles are of the order of $10^{-5}$ m.
The particles of a colloid can easily pass through a filter paper as the pore size of a filter paper is big. Hence, the constituents of a colloidal cannot be separated by filtration.
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