What is used to find out the amount of residual chlorine in water?
AOzonation
BHorrock's apparatus test
CUltra violet irradiation test
DOrthotolidine test
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
If 1-12 -1970 is Tuesday, what day is 1-1-1971?
ആരാണ് കല്ലേൽ പൊക്കുടൻ ?
Continuity equation is based on Is of conservation of
The zero of the graduation of prismatic compass is at ------ end of the graduated circle
'X' voluntarily throws a ring belonging to 'Y' into a river with the intention to cause wrongful loss to 'Y'. 'X' is liable for :