Pathogenic bacteria can be killed by
AOxidation
BChlorination
CNitrification
DFiltration
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
A rock mass that is capable of holding ground water by virtue of its properties and yields water when tapped, at reasonably good volume is termed as
Muslim Education Society was established in :
Which country is one of the five permanentmembers of the United Nations Security Council?
Which of the following is useful to determine the toughness of a stone?
Sum of tread and rise must lie between