The chlorine, which serves as a disinfectant is ___________ Options: A . &nbspFree chlorine B . &nbspFree Residual chlorine C . &nbspChlorine demand D . &nbspResidual demand

The chlorine, which serves as a disinfectant is __________

Question

The chlorine, which serves as a disinfectant is ___________

Options:

A . Free chlorine

B . Free Residual chlorine

C . Chlorine demand

D . Residual demand

Answer: Option B
Answer: (b).Free Residual chlorine

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