Nitrogen dioxide is a gas that adds to air pollution. It is formed in internal combustion engines. Which statement is correct?
- ANitrogen dioxide acts as a catalyst in the atmospheric oxidation of sulfur dioxide to sulfur trioxide.
- BNitrogen dioxide reacts to form nitrogen monoxide in the catalytic converter of a car exhaust system.
- CPAN forms when nitrogen dioxide reacts with the gases formed by complete combustion of the fuel.
- DUnder high pressure in an internal combustion engine, nitrogen dioxide forms from impurities in the fuel.