Question 2028 of 223 · California Water Treatment Operator Exam
The point where adding more chlorine produces a rise in free chlorine residual in proportion to the dose is called
Exactly one answer is correct.
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Correct answer to question 2028
- C: the breakpoint
Explanation
Past breakpoint, ammonia and most oxidizable compounds have been destroyed and added chlorine appears as free residual. Before breakpoint, combined residuals (chloramines) form.
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