Question

Which of the following will show Tyndall Effect ? (A) Salt solution (B) Starch solution (C) Sand in water (D) Copper sulphate solution

Answer 1

Answer:

b)starch solution

definition of tyndall effect-The Tyndall effect is the phenomenon in which the particles in a colloid scatter the beams of light that are directed at them. This effect is exhibited by all colloidal solutions and some very fine suspensions.

Explanation:

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Answer 2

Explanation:

(b) starch solution show Tyndall effect because they are colloidal solution. Whereas (a) salt solution and (d) copper sulphate solution are true solution. Their particle size is too small to scatter light. So they do not show Tyndall effect.