O-LevelChemistryChemistry of the Environment5070/11 · Oct/Nov 2012 · Q341 Mark
Which row shows both the correct source and the correct effect of the named pollutant? Pollutant, source, effect table: A: carbon monoxide, incomplete combustion of carbon-containing materials, global warming. B: oxides of nitrogen, decaying vegetable matter, global warming. C: ozone, photochemical reactions, acid rain. D: sulfur dioxide, volcanoes, acid rain.
Apollutant: carbon monoxide, source: incomplete combustion of carbon-containing materials, effect: global warming
Bpollutant: oxides of nitrogen, source: decaying vegetable matter, effect: global warming
Cpollutant: ozone, source: photochemical reactions, effect: acid rain
Dpollutant: sulfur dioxide, source: volcanoes, effect: acid rain
✓ Correct answer
D: pollutant: sulfur dioxide, source: volcanoes, effect: acid rain
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