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Chemistry CBSE Live product
Class 8 (2026-27)
Pressure, Winds, Storms, and Cyclones
PT1 Revision - Pressure, Winds, Storms, and Cyclones
7.
Sucker and air pressure
Question:
3
m.
Help
Anish
to
select
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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