Disinfection of swimming pool water is usually done by:
AChlorine
BAlum
CUltraviolet rays
DOzone
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The method of cleaning of rapid sand filters
The lowest point of the interior of a sewer or drain at any cross section
The trap which is provided to disconnect the house drain from the street sewer is called
A clariflocculator is a:
The sewer that unloads the sewage at the point of treatment is called....................