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| Q. |
Major gaseous pollutant of the thermal power station is – |
| A. | H2S |
| B. | NH3 |
| C. | NO2 |
| D. | SO2 |
| Answer» D. SO2 | |
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Explanation: A flue-gas stack is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air. Flue gases are produced when coal, oil, natural gas, wood or any other fuel is combusted in an industrial furnace, a power plant's steam-generating boiler, or other large combustion device. Flue was is usually composed of carbon dioxide (CO2) and water vapor as well as nitrogen and excess oxygen remaining from the intake combustion air. |
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