Q. Consider the following:
1.Carbon monoxide (CO)
2.Carbon dioxide (CO2)
3.Water vapor
4.Nitrogen oxides (NO & NO2)
5.Sulfur dioxide (SO2)
6.Particulate matter
How many of the above gases/pollutants are part of flue gas being released from thermal power plants?
Answer: D
Notes:
Explanation:
- Flue gas (sometimes called exhaust gas or stack gas) refers to the gas that is released from combustion plants. It is a by-product of burning fossil fuels.
- Flue gas actually contains a mixture of gases, such as carbon monoxide (CO), carbon dioxide (CO2), water vapor, nitrogen oxides (NO & NO2), sulfur dioxide (SO2), other trace pollutants, and often some particulate matter.
Source: TH
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