Which are main air pollutant produced by a coal thermal power plant?

Question

How many pollutants are measured under the recently launched National Air Quality Index ?

1. SIX
2. SEVEN
3. EIGHT
4. TEN

Answer 1

Major Greenhouse Gases
Carbon Dioxide (CO2)
Sulphur Dioxide (SO2)
Nitrogen Oxides (NOx)

Other Pollutants
Ash: Ash contains toxic elements that can percolate into the drinking water system. The wind, breach of dykes or ash spills can carry away the ash particles to surrounding areas causing harm to humans and vegetation.