Ncert Exercises & Solutions

Tyndall effect is shown by

1.	Aqueous solution of soap below critical micelle concentration.
2.	Aqueous solution of soap above critical micelle concentration.
3.	Aqueous solution of sodium chloride.
4.	Aqueous solution of sugar.

(2) HINT: Aqueous solution of soap above critical micelle concentration shows tyndall effect.

Explanation: Aqueous solution of soap above critical micelle concentration lead to formation of colloidal solution. Tyndall effect is a characteristic of colloidal solution in which colloidal particles show a coloured appearance when sunlight passes through it and seen from the perpendicular side.

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