Essential Chemistry for IGCSE - Air And Water (Section 2 - No. 29)
What is the main function of a catalytic converter?
To remove nitrogen oxides from exhaust gases
To increase the amount of oxygen in exhaust gases
To add unburned hydrocarbons to exhaust gases
To decrease the amount of carbon monoxide in exhaust gases
Explanation
Catalytic converters remove harmful pollutants, including nitrogen oxides, from car exhaust.
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