A catalytic converter lowers the quantity of pollutants in the gases released from a car exhaust. Which row names a pollutant and indicates how it is removed by the action of the catalyst?
- Acarbon dioxide, reduced to carbon
- Bcarbon monoxide, oxidised to carbon dioxide
- Coxides of nitrogen, oxidised to nitric acid
- Dunburnt hydrocarbons, oxidised to carbon dioxide and hydrogen