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 of the following gases is used in a bulb?

Option 1: Hydrogen

Option 2: Carbon dioxide

Option 3: Carbon monoxide

Option 4: Argon

Question : Identify an anomaly element that belongs to both Group 1 and Group 17.

Option 1: Oxygen

Option 2: Hydrogen

Option 3: Chlorine

Option 4: Nitrogen

Question : Which of the following is an air pollutant?

I Water vapour

II Carbon dioxide

III Hydrogen Gas

Option 1: Only I

Option 2: Only II

Option 3: Only III

Option 4: Both II and III

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