The Composition of Air

Which of the following is a combustible gas?

• Nitrogen.

• Carbon Dioxide.

• Helium.

• Oxygen.

Name the gas that plants use for photosynthesis...

• Nitrogen.

• Hydrogen.

• Carbon dioxide.

• Oxygen.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the percentage composition of nitrogen in the air?

• 21%

• 78%

• 0.03%

• 0.07%

The composition of air consists of...key components.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the most important gas in the composition of air?

• helium.

• oxygen.

• carbon dioxide.

• nitrogen.

Name the most abundant gas present in the air...

• carbon dioxide
• helium
• oxygen
• nitrogen

What is the only gas that supports life on Earth?

• Nitrogen.

• Methane.

• Oxygen.

• Carbon Dioxide.

Name the gas used to make fire extinguishers...

• carbon dioxide.

• oxygen.

• nitrogen.

• hydrogen.

To which state of matter does air belong?

• Solid.

• Liquid.

• Gas.

Which statement about air is true?

• Air has a fixed shape.

• Air takes the shape of its container.