The optimum value in natural water is ________(a) 2-4ppm(b) 4-7ppm(c) 4-6ppm(d) 2-7ppmThis question was posed to me by my college director while I was bunking the class.Enquiry is from Types of Water Pollutants and Effects in section Water of Applied Chemistry

The optimum value in natural water is ________(a) 2-4ppm(b) 4-7ppm(c)

1.	The optimum value in natural water is ________(a) 2-4ppm(b) 4-7ppm(c) 4-6ppm(d) 2-7ppmThis question was posed to me by my college director while I was bunking the class.Enquiry is from Types of Water Pollutants and Effects in section Water of Applied Chemistry
Answer» RIGHT choice is (c) 4-6ppm The explanation: The OPTIMUM value in NATURAL water is about 4-6ppm. Decrease in the quantity of the dissolved water INDICATES the pollution of water.

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The optimum value in natural water is ________(a) 2-4ppm(b) 4-7ppm(c) 4-6ppm(d) 2-7ppmThis question was posed to me by my college director while I was bunking the class.Enquiry is from Types of Water Pollutants and Effects in section Water of Applied Chemistry

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