EASY
4th CBSE
IMPORTANT
Earn 100

Air is a mixture of several gases.

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Important Questions on Air

EASY
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q C
Nitrogen is necessary for breathing.
MEDIUM
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q D
Why does air exert pressure? 
EASY
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q D
What is the layer of air surrounding the Earth called?
EASY
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q E
Name the gases present in air?
EASY
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q E
What is compressed gas?
MEDIUM
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q F
What are the characteristics of air?
MEDIUM
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q F

Briefly write down an experiment for proving that air occupies space.

MEDIUM
4th CBSE
IMPORTANT
I Care 4 My Book of Environmental Awareness>Chapter 14 - Air>Exercises>Q G

How do you think we produce a sound when we whistle?