CNG used in automobiles to check pollution, mainly consists of

1.	CNG used in automobiles to check pollution, mainly consists of
Answer» <html><body><p> CH<sub>4</sub></p><br/><br/><p>Nature gas is 95 <a href="https://interviewquestions.tuteehub.com/tag/percent-1150333" style="font-weight:bold;" target="_blank" title="Click to know more about PERCENT">PERCENT</a> <a href="https://interviewquestions.tuteehub.com/tag/methane-1095077" style="font-weight:bold;" target="_blank" title="Click to know more about METHANE">METHANE</a> (CH<sub>4</sub>) plus four other hydrocarbons:<br/>Ethane (C<sub>2</sub>H<sub>6</sub>) - 2.5 %, Propane (C<sub>3</sub>H<sub>8</sub>) - 0.2 %, Butane (C<sub>4</sub>H<sub>10</sub>) - 0.06%, Pentanes Plus (C<sub>5</sub>H<sub>12</sub> + C<sub>10</sub>H<sub>22</sub>) -0.02%. It also contains small amounts of: <a href="https://interviewquestions.tuteehub.com/tag/nitrogen-1118291" style="font-weight:bold;" target="_blank" title="Click to know more about NITROGEN">NITROGEN</a> (N<sub>2</sub>) - 1.6%, Carbon Dixoide (CO<sub>2</sub>) - 0.7%, Hydrogen Sulphide (H<sub>2</sub>S) - <a href="https://interviewquestions.tuteehub.com/tag/trace-711570" style="font-weight:bold;" target="_blank" title="Click to know more about TRACE">TRACE</a>, Water (H<sub>2</sub>O) - trace.</p></body></html>

Discussion