Which of the following is the most widely used disinfectant in water treatment? Options: A . &nbspChlorine B . &nbspIrradiation of water by ultraviolet light C . &nbspCation exchanger D . &nbspCoagulation

Which of the following is the most widely used disinfectant in water treatment?

Question

Which of the following is the most widely used disinfectant in water treatment?

Options:

A . Chlorine

B . Irradiation of water by ultraviolet light

C . Cation exchanger

D . Coagulation

Answer: Option A

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