CH-1291
Air pollutants
Chemistry · Secondary 4 · Medium · Air pollutants
A car is modified from a normal engine to a lean-burn engine by using more air and running at a lower temperature.
How will the amounts of carbon monoxide (CO) and nitrogen monoxide (NO) in the exhaust change compared to a normal engine?
How will the amounts of carbon monoxide (CO) and nitrogen monoxide (NO) in the exhaust change compared to a normal engine?
- CO increases, NO increases
- CO decreases, NO increases
- CO increases, NO decreases
- CO decreases, NO decreases
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