Chemical Engineering - Environmental Engineering - Discussion

Discussion Forum : Environmental Engineering - Section 2 (Q.No. 10)
10.
Dissolved oxygen content in river water is around __________ ppm.
5
100
250
500
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Gurjant Singh said:   4 years ago
For aquatic life, it should not less than 4ppm.

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