Multiple choice

Which of the following statements is/are false? a. Sulphur dioxide is produced by the burning of coal in factories and thermal power plants. b. Nitrogen oxides attack the breathing system and lead to lung congestion. c. Smog is a deadly air pollutant which is formed by the combination of smoke and fog.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. None of the above

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option as all the above statements are correct. Sulphur dioxide is produced by the burning of coal in factories and thermal power plants. Nitrogen oxides attack the breathing system and lead to lung congestion. Smog is a deadly air pollutant which is formed by the combination of smoke and fog.