What is meant by dissolved oxygen ? Writ...

What is meant by dissolved oxygen ? Write its optimum value.

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AAKASH SERIES-ENVIRONMENTAL CHEMISTRY-EXERCISE - 5.1.1

Define the following terms and give two examples each. a) Pollutant...
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Write about the environmental segments.
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What is meant by dissolved oxygen ? Write its optimum value.
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What are DO, COD and BOD ?
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How is TLV useful to determine pollution?
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Write the important reasons for pollution.
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