CH-1283
Air pollutants
Chemistry · Secondary 4 · Medium · Air pollutants
In a car engine, nitrogen monoxide, NO, is formed in the very hot exhaust gases.
Which statement correctly describes how nitrogen monoxide is produced?
Which statement correctly describes how nitrogen monoxide is produced?
- By reacting nitrogen and oxygen in air at high temperature in the engine
- By incomplete combustion of fuel in limited oxygen
- By condensation of water vapour in the exhaust
- By rusting of metal parts inside the engine
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