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# The colour of a colloidal solution depends upon

(a) particle size
(b) temperature
(c) the direction in which it is being viewed
(d) both particle size and the direction in which it is being viewed

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• Colour of a colloidal solution depends upon particles size and also the direction in which it is being viewed.
Answer: both particle size and the direction in which it is being viewed
Colour of a colloidal solution depends upon particles size and also the direction in which it is being viewed. For eg, diluted milk gives a bluish tinge in the reflected light and a reddish tint in the transmitted light.