Fundamentholfundamenthol
NEET2018Paper 2018Biology
Q.

Which of the following is a secondary pollutant?

  1. A

    CO

  2. B

    SO2

  3. C

    CO2

  4. D

    O3

Solution

O3 (ozone) is a secondary pollutant. These are formed by the reaction of primary pollutant.

CO – Quantitative pollutant

CO2 – Primary pollutant

SO2 – Primary pollutant

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