Residual chlorine in water is determined by________________? January 17, 2019 – by admin Residual chlorine in water is determined by________________? A. starch iodide method B. orthotolidine method C. both (A) and (B)(Correct) D. none of the above
Residual chlorine in water is determined by________________? A. starch iodide method B. orthotolidine method C. both (A) and (B)(Correct) D. none of the above