
Water: A Precious Resource Quiz 2
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Popular Questions In Water: A Precious Resource Quiz 2
Nallavally is the oldest Vana Samrakshana Samithi of which district?
Waste water released by different users are collectively called
Sewage contain
The process involved in treatment of waste water
Which gas kills harmful disease causing organisms in waste water?
Microbes of cholera and typhoid grow more in
How much percentage of fresh water exist in glaciers?
Activated sludge contain the following percentage of water
Cleaning of water is a process of removing
Dried sludge is used as
Pumping of water into air for purification is called
Which of the component is essential for metabolic activity?
It is an example of organic impurities
The following is an organic impurity came from agriculture industry
The instrument used to remove oil and grease in sludge is