Gases in Everyday Life MCQs with Answers

What is commonly used in carbonated beverages to give them fizz?

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

Which gas is commonly used in carbonated beverages?

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

Past Paper MCQ

What is the chemical composition of Compressed Natural Gas (CNG) compared to Sui Gas?

• A.CNG contains added propane
• B.CNG is richer in methane
• C.Sui Gas has more impurities
• D.It is the same

The real gases show deviation from ideal behavior at _?

• A.Low temperature and low pressure
• B.High temperature and low pressure
• C.Low temperature and high pressure
• D.High temperature and high pressure

Which gas is used in dental treatment and is also called laughing gas?

• A.Ozone
• B.Carbon dioxide
• C.Helium
• D.Nitrous oxide

Which of the following statements is true about carbon monoxide?

• A.It has a strong pungent smell
• B.It is very toxic
• C.It is a visible brown gas
• D.It supports combustion

Cylinder gas or LPG (Liquefied Petroleum Gas) is a mixture of which one of the following?

• A.Alcohols
• B.Carbohydrate
• C.Noble gases
• D.Hydrocarbon

When animals and plants are decayed in absence of air, there produces a gas called?

• A.Oxygen
• B.Nitrogen
• C.Biogas
• D.Carbon monoxide

What happens when electricity passes through xenon gas?

• A.It emits a bright white light
• B.It turns into a liquid
• C.It produces a loud sound
• D.It becomes highly magnetic

Which gas is used to destroy the harmful bacteria in the water?

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