Multiple choice

Which of the following combinations constitutes Greenhouse gases?

  1. CO, SO2 and NO2

  2. CO2, CH4, N2O, C2H6, SO2, CFC11, CFC12 and CFC113

  3. Different hydrocarbons like CH4, C2H2 and C2H6

  4. H2SO4, (NH4)SO4, mist and vapours

  5. CO and nicotine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Greenhouse gases constitute CO2, CH4, N2O, C2H6, SO2, CFC11, CFC12 andCFC113.  It is a major air pollutant  and the actual reason of global warming. Due to increase of emission of greenhouse gases, the amount of heat that could be radiated back into space at night is reduced considerably  and  as a result the temperature of the earth is increased.

Keep practicing — related questions