Primary Pollutants of Photochemical Smog
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Questions and Answers

What is the primary source of nitrogen oxides in combustion processes?

  • Volatile organic compounds
  • Petroleum products
  • Nitrogen compounds in the fuel
  • Direct combination of atmospheric oxygen and nitrogen in flames (correct)

    • What is the term for volatile organic compounds that are found in a wide variety of products?

  • PANs
  • VOCs (correct)
  • Ozone
  • Petrochemicals

    • What is the secondary pollutant that causes the most concern to photochemical smog?

  • Nitrogen oxides
  • VOCs
  • Ozone (correct)
  • PANs

    • What is formed when oxidized volatile organic compounds combine with nitrogen oxide in the atmosphere?

    <p>Peroxy Acetyl Nitrates (PANs)</p> Signup and view all the answers

    What is the primary source of VOCs that eventually cause air pollution and smog?

    <p>Motor vehicles and vessels</p> Signup and view all the answers

    Where is ozone produced naturally?

    <p>In the upper atmosphere</p> Signup and view all the answers

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