Residual chlorine in water is determined by?

Starch iodide method
Orthotolidine method
Both (A) and (B)
None of the above

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

5 views Answered 2022-09-01 13:21

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