Lake water contains more __________ due to the biological oxidation of the organic matter.(a) Oxygen(b) Carbon dioxide(c) Nitrogen(d) Carbon monoxideI got this question by my school principal while I was bunking the class.Question is from Sources, Impurities and Hardness of Water in chapter Water of Applied Chemistry

Lake water contains more __________ due to the biological oxidation of

1.	Lake water contains more __________ due to the biological oxidation of the organic matter.(a) Oxygen(b) Carbon dioxide(c) Nitrogen(d) Carbon monoxideI got this question by my school principal while I was bunking the class.Question is from Sources, Impurities and Hardness of Water in chapter Water of Applied Chemistry
Answer» CORRECT choice is (b) CARBON dioxide Explanation: Lake Water contains more amount of carbon dioxide due to the biological oxidation of the ORGANIC matter PRESENT at the BOTTOM of the lake.

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