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:
The movement of water through the soil surface and into the soil is called:
A model of a reservoir is emptied in 10 minutes, If the model scale is 1:25 the time taken by the prototype to empty itself would be
If crop requires total depth of 120 cm of water base period of 120 days, then the duty of the crop is (hectares / cumec)
An arch may fail due to
Distribution transformers are usually designed to have maximum efficiency