The Composition of Air

Front

What is the most abundant gas in the air?

Back

Nitrogen

Front

What is the percentage composition of nitrogen in the air?

Back

78%

Front

What are the properties of clean air?

Back

Odorless, colourless, and tasteless.

Front

Which gas is not part of the earth's atmosphere?

Back

Copper Sulphate

Front

What gas makes up 21% of air?

Back

Oxygen

Front

What is the primary function of oxygen in the air?

Back

To support respiration in living organisms.

Front

What is the role of carbon dioxide in the atmosphere?

Back

It is used by plants for photosynthesis.

Tags

NGSS.MS-LS1-6

Front

What is the composition of air?

Back

Air is composed mainly of nitrogen (78%), oxygen (21%), and trace gases.

Front

What is the significance of trace gases in the atmosphere?

Back

They play important roles in processes like climate regulation and plant growth.

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Front

How does air pressure change with altitude?

Back

Air pressure decreases as altitude increases.