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Chemistry CBSE Live product
Class 8 (2026-27)
Pressure, Winds, Storms, and Cyclones
Atmospheric Pressure
7.
Pressure in daily life
Question:
2
m.
Choose the correct answer:
Rohan inflates a balloon by blowing air into it. The balloon expands and becomes bigger.
1.
Why does the balloon expand when air is blown into it?
The balloon becomes lighter
The balloon absorbs air
The air inside the balloon exerts pressure on the balloon walls
The balloon becomes hot
2.
What does this activity show about air?
Air does not occupies space
Air occupies space and exerts pressure
Air has no weight
Air does not move
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