A Level Chemistry 9701/12/O/N/20 Q28

Question

Which statement about the use of alkane fuels in internal combustion engines is correct?
A C8H18 is used as fuel in internal combustion engines and reacts with oxygen and nitrogen from the air.
B In limited oxygen, CO is produced which oxidises SO2 to SO3 in the atmosphere.
C The catalytic converter removes polluting gases including NO2 and CO2.
D Unburnt hydrocarbons and NO2 can react in sunlight to produce photochemical smog.

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    2021-07-07T17:28:25+08:00

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