Chemistry 0620 · IGCSE · Air quality and climate

Air quality and climate — practice question

Car exhausts release oxides of nitrogen. Which row best explains why oxides of nitrogen are unwanted in the atmosphere?

  • Aacidic: no, toxic: no
  • Bacidic: no, toxic: yes
  • Cacidic: yes, toxic: no
  • Dacidic: yes, toxic: yes

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