Identify the incorrect statement.
- AValues of colligative properties of colloidal solutions are of small order compared to values of true solutions.
- BTyndall effect is observed only when the diameter of the dispersed particles is not much smaller than the wavelength of the incident light.
- CThe colour of a colloidal solution depends on the wavelength of light scattered by the dispersed particles.
- DBrownian movement is due to balanced bombardment of molecules of the dispersion medium on colloidal particles.
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Reason : $Fe^{3+}$ reacts with $As_2S_3$ to give $Fe_2S_3$.
MediumAIIMS 2006
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Match column $I$ (process) with column $II$ (application).
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| $D$. Electrophoresis | $d$. Purification of colloidal solution |
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