WBCS.LIVE practice question

Which of the following are some important pollutants released by steel industry in India? 1. Oxides of sulphur 2. Oxides of nitrogen 3. Carbon monoxide 4. Carbon dioxide Select the correct answer using the code given below:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 1, 3 and 4 only
  2. 2 and 3 only
  3. 1 and 4 only
  4. 1, 2, 3 and 4

Correct answer and explanation

Correct answer: 1, 2, 3 and 4