Question : Which among the following gases is also known as ‘Laughing Gas’?

Option 1: Sulphur dioxide

Option 2: Nitrogen oxide

Option 3: Carbon dioxide

Option 4: Carbon monoxide

Question : Acid rain is caused due to pollution of the atmosphere by:

Option 1: oxides of Carbon and Nitrogen

Option 2: oxides of Nitrogen and Sulphur

Option 3: oxides of Nitrogen and Phosphorous

Option 4:  None of these

Question : Which among the following is used in fire extinguishers?

I. carbon dioxide

II. oxygen

III. sulphur dioxide

Option 1: Only I

Option 2: Only II

Option 3: Only III

Option 4: All options are correct.

Question : Which among the following is a greenhouse gas?

I. Methane

II. Carbon dioxide 

III. Nitrogen dioxide

Option 1: I and II

Option 2: I and III

Option 3: II and III

Option 4: All the above

Question : The acid used in lead storage cells is:

Option 1: Phosphoric acid

Option 2: Hydrochloric acid

Option 3: Nitric acid

Option 4: Sulphuric acid