Which of the following methods are employed for determination of free and combined chlorine residuals in water?
AStarch-iodide method and DPD method
BAmperometric titration method
CSNORT method
DWinkler's method
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Nahni trap is popularly known as:
Regardless of type, all valves have the following basic parts, with the exception of
In India as per Indian Standards water consumption per day for domestic purpose is:
The function of an air vessel in a reciprocating pump is to:
A hand tool which is used to hold and grip the pipe is known as: