Water Pollution
Water Pollution: Overview
This topic covers concepts such as Water Pollution, Common Water Pollutants, Oxygen Demanding Wastes, Pathogens as Water Pollutants, Biochemical Oxygen Demand, Disease Causing Water Pollutants, Synthetic Organic Compounds, Eutrophication, etc.
Important Questions on Water Pollution
The maximum concentration of cadmium in drinking water is _____
The maximum concentration of cadmium in the drinking water should not be greater than 0.005 ppm.
The concentration of copper in drinking water should not be more than 3 ppm.
The concentration of iron in drinking water should not be more than 0.2 ppm.
What are the steps to be taken to control water pollution?
How does oil waste cause water pollution?
The prescribed upper limit concentration of lead in drinking water is about 50 ppb.
Lead pipes are not used for the transportation of drinking water because it is harmful to health.
Why lead pipes are not good for the transportation of drinking water?
Pathogens can act as water pollutants and can cause severe diseases.
What are pathogens, and how are they harmful for humans and animals?
Excess nitrate in drinking water can cause _____.(Methemoglobinemia/Leucoderma)
Which of the following conditions shows a polluted environment?
Eutrophication causes reduction in
When a huge amount of sewage is dumped in a river, the
Which of the following statements is incorrect?
The permissible limit of Molybdenum in drinking water is specified by WHO as
