Gases in Everyday Life MCQs with Answers

In LPG, the major component is _?

• A.Methane
• B.Ethane
• C.Propane
• D.Butane

What is the chief constituent of goober gas?

• A.Carbon dioxide
• B.Hydrogen sulfide
• C.Nitrogen
• D.Methane

What is the chemical formula of Methane Gas?

• A.CO2
• B.CH3
• C.C2H6
• D.CH4

Van Der Waals constant 'a' depends on the intermolecular forces among gas molecules. Comparing the following gases, which one will have the highest value for 'a'?

• A.He
• B.H₂
• C.CH₄
• D.O₂

Which gas is produced by burning gas heater in winter, which causes death if accumulates in high amounts?

• A.Carbon dioxide
• B.Nitrogen dioxide
• C.Carbon monoxide
• D.Sulfur dioxide

What is the relationship between the volume of a gas and its pressure?

• A.Directly Proportional
• B.Equal
• C.Inversely Proportional
• D.No relationship

Which of the following has the highest critical temperature?

• A.H₂
• B.O₂
• C.N₂
• D.He

For which of the following purposes is chlorine commonly used?

• A.Fertilizer production
• B.Food preservation
• C.Water treatment
• D.Glass manufacturing

Which gas is used in decoration lighting (advertising lights)?

• A.Krypton
• B.Argon
• C.Helium
• D.Neon

Past Paper MCQ

Which gases/elements are used in gas-welding?

• A.Oxygen, Acetylene and Argon
• B.Oxygen, Nitrogen and Helium
• C.Hydrogen, Acetylene and Neon
• D.Oxygen, Methane and Carbon Dioxide