Advertisements
Advertisements
Question
Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using ______.
Options
grit chamber
scrubbers
trickling filters
catalytic convertors
Advertisements
Solution
Release of oxides of nitrogen and hydrocarbons into the atmosphere by motor vehicles is prevented by using trickling filters.
APPEARS IN
RELATED QUESTIONS
Bhopal Gas Tragedy is a case of ________.
The pH of normal rain water is ______.
Biochemical oxygen Demand value less than 5 ppm indicates a water sample to be ______.
Assertion (A): If BOD level of water in a reservoir is more than 5 ppm it is highly polluted.
Reason(R): High biological oxygen demand means high activity of bacteria in water.
What would happen, if the greenhouse gases were totally missing in the earth’s atmosphere?
A person was using water supplied by corporation. Due to shortage of water he started using underground water. He felt laxative effect. What could be the cause?
Explain how does greenhouse effect cause global warming.
Ethane bums completely in air to give CO2. while in a limited supply of air gives CO. The same gases are found in automobile exhaust. Both CO and CO2 are atmospheric pollutants
- What is the danger associated with these gases?
- How do the pollutants affect the human body?
Explain the effects of acid rain.
Explain how oxygen deficiency is caused by carbon monoxide in our blood? Give its effect.
