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Colloids are responsible for the blue colour of the sky and sea water.

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in Chemistry – Class 12 by (188k points)
Colloids are responsible for the blue colour of the sky and sea water.

(a) True

(b) False

This question was posed to me during an interview.

I'd like to ask this question from Surface Chemistry in chapter Surface Chemistry of Chemistry – Class 12

1 Answer

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The correct answer is (a) True

Easiest explanation: There are a lot of suspended impurities in the atmosphere and sea water that act as colloids. Due to Tyndall effect and Rayleigh scattering, these colloidal particles scatter blue light and hence, make them appear blue in colour.

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