Gases in Air

What are the gases found in the air?

• Hydrogen, oxygen, carbon dioxide, noble gases and water vapour.

• Nitrogen, oxygen, carbon dioxide. water.

• Hydrogen, oxygen, carbon dioxide.

• Nitrogen, oxygen, carbon dioxide, argon, water vapour and other gases

What is the percentage of nitrogen gas in the air?

• 1%

• 0.03%

• 20%

• 78%

What is the percentage of oxygen gas in the air?

• 1%

• 0.03%

• 21%

• 79%

What is air?

• Air is a poisonous gas we inhale.

• Air is a mixture of gases that makes up the earth atmosphere.

• Air is a type of gas called noble gas.

What is the percentage of carbon dioxide gas in the air?

• 1%

• 0.04%

• 20%

• 0.035%

During photosynthesis, what gas do the plant take in?

• Hydrogen

• Nitrogen

• Carbon dioxide

• Oxygen

Tags

NGSS.MS-LS1-6

During breathing human take in __________________ gas and breathe out _________________ gas.

• hydrogen, oxygen.

• hydrogen, carbon dioxide

• oxygen, carbon dioxide

• carbon dioxide, nitrogen

What gas is not present in the air?

• carbon dioxide

• hydrogen

• oxygen

When there is less water vapor, we say the air.....

• dry

• wet

• heavy

The gas that give drinks their fizz is called?

• Oxygen

• Nitrogen

• Air

• Carbon dioxide