1.

Order 4 disinfectants in increasing order of their disinfection power?

A. Ozone < HOCl < monochloramine < NCl3
B. Ozone < NCl3 < Monochloramine < HOCl
C. NCl3 < HOCl < Monochloramine < Ozone
D. NCl3 < Monochloramine < HOCl < Ozone
Answer» E.


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