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Is Matter Around Us Pure — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure2 Marks
Question
Give any one point of difference between true solution, colloidal solution and suspension.
✓

Answer

True solution is a homogeneous mixture it shows the property of homogeneity and it's particle can not be seen with naked eyes it also doesn't scatter a beam of light (Tyndall effect). A colloidal solution is a heterogeneous solution it doesn't show the property of homogeneity. It's particle can't be seen with naked eyes, it shows Tyndall effect.
A suspension is a heterogeneous solution it doesn't show the property of homogeneity. It's particle can be distinguished and it doesn't show the Tyndall effect.

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