Gases in Everyday Life MCQs with Answers

The deviation of gas from the ideal behavior is maximum at _?

• A.-10°C and 5 atm
• B.0°C and 1 atm
• C.100°C and 2 atm
• D.25°C and 1 atm

Which of the following gases is dissolved in water?

• A.Oxygen
• B.Carbon dioxide
• C.Nitrogen
• D.All of these

Equal number of moles of three gases O₂, Cl₂ and H₂ are enclosed in a container at room temperature. If the container leaks accidentally then ?

• A.H₂ will diffuse out first
• B.O₂ will diffuse out first
• C.Cl₂ will diffuse out first
• D.All three will diffuse out at the same rate

Past Paper MCQ

Which gas is commonly used in balloons and airships?

• A.Hydrogen
• B.Nitrogen
• C.Helium
• D.Oxygen

If the compressibility factor for one mole of an ideal gas is 1, then what will be the compressibility factor for one mole of a real gas under the same conditions?

• A.Greater than 1
• B.Less than 1
• C.Same
• D.Cannot be determined

Which element is essential for the burning process?

• A.Nitrogen
• B.Oxygen
• C.Hydrogen
• D.Carbon dioxide

Which is used for the artificial ripening of fruits?

• A.Ethene
• B.Methane
• C.Acetylene
• D.Ethanol

Which property of a gas affects the rate at which it spreads throughout a laboratory?

• A.Molecular mass
• B.Temperature
• C.Pressure
• D.Volume

Which gas is commonly used in cigarette lighters?

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

The chief constituent of natural gas is _?

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