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Chemistry CBSE Live product
Class 8 (2026-27)
Pressure, Winds, Storms, and Cyclones
Term I Revision I - Pressure, Winds, Storms, and Cyclones
8.
Sucker and air pressure
Question:
3
m.
Help
Arun
to
choose
the correct answers:
1.
On what type of surfaces do these rubber suckers work best?
Uneven surfaces such as stone or concrete
Surfaces covered with paper or cardboard
Smooth surfaces such as glass, tiles, or polished metal.
Surfaces with many holes or cracks
2.
Which force holds the rubber sucker firmly in place?
Diffusion
Atmospheric pressure
Gravity
Magnetic force
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