POP QUIZ (AIR)

What gas makes up the largest portion of Earth's atmosphere by volume?

• Nitrogen

• Oxygen

• Carbon dioxide

• inert gases

What is the role of oxygen in the air we breathe?

• It supports combustion
  

• It is essential for respiration

• It helps in photosynthesis

• It is a greenhouse gas

What is the approximate percentage of Inert gases in the air?

• 0.03 %

• 0.96%

• 0.97 %

• 0.04%

What crucial compounds are produced through the utilization of nitrogen gases?

• Water and carbon dioxide

• Nitric acid and ammonia

• Methane and propane

• d) Ethanol and acetic acid

Air is a mixture of gases.

• TRUE

• FALSE

Oxygen is the most abundant gas in Earth's atmosphere.

• TRUE

• FALSE

Water has no mass and does not occupy space

• TRUE

• FALSE