which of the following is a secondary pollutant
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Answer:
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.
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Answer:
- PAN
- Ozone
- Smog
Explanation:
Secondary pollutants are produced photochemically from primary pollutants and are called photochemical oxidants.
These include peroxyacyl nitrates (PAN), ozone, aldehydes, smog, etc. CO, CO2 and SO2 are primary pollutants.
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