Question : Which of the following is not a greenhouse gas?

Option 1: Nitrogen

Option 2: Methane

Option 3: Carbon dioxide

Option 4: Nitrous oxide

Question : Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?

Option 1: Helium

Option 2: Nitrogen

Option 3: Oxygen

Option 4: Hydrogen

Question : Which gas is primarily responsible for global warming?

Option 1: Carbon monoxide

Option 2: Nitrogen dioxide

Option 3: Methane

Option 4: Ozone

Question : Which one out of the following helps in burning?

Option 1: Oxygen

Option 2: Carbon monoxide

Option 3: Nitrogen

Option 4: Carbon dioxide

Question : Cooking gas is a mixture of:

Option 1: methane and ethylene

Option 2: carbon dioxide and oxygen 

Option 3: butane and propane

Option 4: carbon monoxide and carbon dioxide