Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Primary and secondary pollutants?

Distinguish between primary and secondary pollutants and list and describe two examples of each.

2 Answers

Relevance
  • 9 years ago
    Favorite Answer

    A primary pollutant is an air pollutant emitted directly from a source.

    A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere.

    Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight; NO2, which is formed as NO combines with oxygen in the air; and acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water

  • Anonymous
    9 years ago

    Primary and secondary pollutants means water, air, environment etc. That pollutant possess work slowly.

    Source(s): Possess
Still have questions? Get your answers by asking now.