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The colour and odour of the natural water is due to the presence of the ___________(a) Dissolved organic matter(b) Mud(c) Leaves(d) Other dust particlesThis question was addressed to me in an interview for internship.I want to ask this question from Sources, Impurities and Hardness of Water topic in portion Water of Applied Chemistry

Answer» CORRECT CHOICE is (a) Dissolved organic matter

Easy explanation: The colour and odour of the natural water is due to the presence of the dissolved organic matter. Dissolved gases LIKE nitrogen, oxygen and CARBONDIOXIDE are present in lake water.


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