Composition of Air

Select Air is a mixture of

• Different gases

• Water vapour

• Dust

• Solid hard particles

Select the main gases present in air

• Oxygen

• Water vapour

• Carbon dioxide

• Nitrogen

All animals breathe

• Carbon dioxide

• Oxygen

Trees take ____ gas from surrounding

• Oxygen

• Carbon dioxide

Tags

NGSS.MS-LS1-6

Substance which pollute the air are

• Pollutants

• Pollution

• Dirty

Tags

NGSS.MS-ESS3-3

Which of the following is present in large amount in the air?

• Water vapour

• Carbon dioxide

• Nitrogen

• Dust

What is the gaseous form of water called?

• Ice

• Water vapour

• Dust

• Oxygen

Tags

NGSS.MS-ESS2-4

Name a gas which becomes a pollutant if its amount increases in the air

• Nitrogen

• Carbon dioxide

• Oxygen

What does the following picture suggest?

• Plant trees

• Use smoke free lamps and stoves

• Stop burning garbage

• Use well maintained vehicles

Tags

NGSS.MS-ESS3-3

What should we wear to allow clean air to enter our nose?

• Overcoat

• Umbrella

• Jacket

• Mask