Chemistry 9701 · AS & A Level · Nitrogen and sulfur

Nitrogen and sulfur — practice question

Four atmospheric pollutants are given below. 1 nitrogen oxides 2 carbon monoxide 3 unburnt hydrocarbons 4 sulfur dioxide Which two pollutants react together to produce peroxyacetyl nitrate, PAN?

  • A1 and 3
  • B1 and 4
  • C2 and 3
  • D2 and 4

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