Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 34)
34.
In the plot of residual chlorine versus chlorine dose applied shown in the above figure, the curve will not have any (0, 0) point because


Discussion:
4 comments Page 1 of 1.
Neeraj said:
4 years ago
Because cl2 gets consumed to oxidise fe2+ n mn2+ into fe2o3 n mno2 in early region.
Umesh JIT said:
6 years ago
Yes, it's D.
Basu said:
7 years ago
It should be option D.
Vivek said:
7 years ago
It must be D.
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