Gases in Everyday Life MCQs with Answers

Past Paper MCQ

Natural gas provided in the homes is :

• A.CH4
• B.C2H6
• C.C3H8
• D.C4H10

Which one of the following gases shows the most ideal behavior?

• A.Helium (He)
• B.Nitrogen (N₂)
• C.Carbon dioxide (CO₂)
• D.Ammonia (NH₃)

Which of the following gases diffuses more rapidly?

• A.O2
• B.H2
• C.N2
• D.CO2

Which noble gas is used in some types of photographic flashes for high speed photography?

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

Laughing Gas is chemically _?

• A.NO₂
• B.N₂O
• C.NO
• D.N₂O₄

Which of the following gases is more ideal at STP?

• A.O₂
• B.CO₂
• C.H₂
• D.Cl₂

Which is not a property of gases?

• A.Gases have no definite shape
• B.Gases have definite volume
• C.Gases can be compressed easily
• D.Gases expand to fill their container

At the same temperature and pressure, two identical balloons were separately filled with oxygen and hydrogen. If O₂ escaped at the rate of 100 mL per second, the hydrogen will escape at the rate of _?

• A.200 mL per second
• B.100 mL per second
• C.400 mL per second
• D.800 mL per second

Carbon monoxide is _?

• A.A harmless atmospheric gas
• B.An inert noble gas
• C.A nutrient essential for plants
• D.Poisonous to humans

Aerosol is a suspension of tiny particles of ?

• A.Solid in gas
• B.Liquid in gas
• C.Gas in liquid
• D.Gas in solid