Chemistry 0620 · IGCSE · Air quality and climate

Air quality and climate — practice question

Oxides of nitrogen are released from car exhausts. Which row most accurately indicates why oxides of nitrogen are undesirable in the atmosphere?

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

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