Chemistry 5070 · O Level · Air quality and climate

Air quality and climate — practice question

The table sets out some atmospheric pollutants and their possible effects. Which row is incorrect?

  • ACFCs - cause depletion of the ozone layer
  • B$\text{CO}_2$ - forms photochemical smog
  • CCO - is poisonous to humans
  • D$\text{NO}_2$ - forms acid rain

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