Question

Brownian motion is observed when
i) Pollen grains suspended in air are seen under microscope
ii) Alum is added to muddy water
iii) Light is passed through an aqueous solution of common salt
iv) Sulphur dissolves in Carbon disulphide​

Answer 1

answer

no 1

pollen grains suspended in air are seen under microscope

Answer 2

Answer:

3) Light is passed through an aqueous solution of common salt.

Explanation:

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