The Tyndall effect is NOT observed in which o | vedclass

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(D) The Tyndall effect is a phenomenon where light is scattered by particles in a colloid or a fine suspension. $NaCl$ solution is a true solution,whe

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$NaCl$ solution

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(D) The Tyndall effect is a phenomenon where light is scattered by particles in a colloid or a fine suspension. $NaCl$ solution is a true solution,where the solute particles are very small (less than $1 \ nm$ in diameter). In a true solution,the particles are too small to scatter light,so the Tyndall effect is not observed. Suspensions,starch sols,and gold sols are either colloids or suspensions,which contain larger particles capable of scattering light.

The Tyndall effect is $NOT$ observed in which of the following?

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