Question : Fire extinguishers emit which gas?

Option 1: Carbon monoxide

Option 2: Chlorine

Option 3: Carbon dioxide

Option 4: Nitrogen

Question : Global warming is mainly due to the accumulation of Which of the following?

Option 1: Oxides of Nitrogen

Option 2: Oxides of Sulphur

Option 3: Carbon Dioxide

Option 4: Carbon monoxide

Question : Transboundary pollution ( or ) Acid rain is caused by:

Option 1: Carbon monoxide

Option 2: Carbon dioxide

Option 3: Hydrocarbon

Option 4: Nitrogen oxide and sulphur dioxide

Question : The most serious air pollutant causing health harzard is:

Option 1: Sulphur dioxide

Option 2: Carbon monoxide

Option 3: Ozone

Option 4: Nitrogen oxide

Question : Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth?

Option 1: Carbon dioxide

Option 2: Oxygen

Option 3: Carbon monoxide

Option 4: Nitrogen