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NEET2013BotanyEnvironmental IssuesActual

Which of the following is a secondary pollutant?

Options

  1. ACarbon dioxide
  2. BNitrogen oxides
  3. CPeroxyacyl nitrates
  4. DAll of these

Correct answer

C. Peroxyacyl nitrates

Step-by-step solution

Secondary air pollutants are photochemically produced from primary pollutants and are thus called photochemical oxidants. Ozone, peroxyacyl nitrates, aldehydes and phenols are produced due to photochemical reactions between nitrogen oxides and unsaturated hydrocarbons.

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