Which of the following is not a gaseous air pollutant?

1.	Which of the following is not a gaseous air pollutant?
Answer» <html><body><p> Hydrocarbon</p><br/><br/><p>The <a href="https://interviewquestions.tuteehub.com/tag/gaseous-467815" style="font-weight:bold;" target="_blank" title="Click to know more about GASEOUS">GASEOUS</a> air pollutants of <a href="https://interviewquestions.tuteehub.com/tag/primary-1165403" style="font-weight:bold;" target="_blank" title="Click to know more about PRIMARY">PRIMARY</a> concern in urban settings include sulfur <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a>, nitrogen dioxide, and carbon monoxide; these are emitted directly into the air from the combustion of fossil fuels.Smoke, a <a href="https://interviewquestions.tuteehub.com/tag/collection-422059" style="font-weight:bold;" target="_blank" title="Click to know more about COLLECTION">COLLECTION</a> of airborne solid and liquid particulates and gases emitted when a material undergoes combustion, is also a pollutant. Hydrocarbon is an organic compound consisting <a href="https://interviewquestions.tuteehub.com/tag/entirely-2614676" style="font-weight:bold;" target="_blank" title="Click to know more about ENTIRELY">ENTIRELY</a> of hydrogen and carbon.</p></body></html>

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