Which of the following substance acts as gaseous pollutant?
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The gaseous criteria air pollutants of primary concern in urban settings include sulfur dioxide, nitrogen dioxide, and carbon monoxide; these are emitted directly into the air from fossil fuels such as fuel oil, gasoline, and natural gas that are burned in power plants, automobiles, and other combustion sources.
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Gaseous pollutants (e.g., CO, SO2, NOx, VOCs, O3 etc.) Fossil fuel combustion produces gaseous pollutants, causing variation in atmospheric composition. Nitrogen Oxide (NO) reacts actively with ozone (O3) or radicals in atmosphere forming nitrogen dioxide (NO2).
Explanation:
Pollutants like carbon dioxide (CO2), carbon monoxide (CO), sulphur dioxide (SO2), nitrous oxide (NO) and nitrogen dioxide (NO2) are collectively called as Inorganic gaseous pollutants. These are the major contributors to the indoor air pollution.
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