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Chemistry CBSE Live product
Class 8 (2025-26)
Particulate nature of matter
Revision II - Particulate nature of matter
9.
Diffusion
Question:
4
m.
Help
Ravi
to
answer the following given below
based on the image:
1.
What property of gases is demonstrated in this experiment?
It shows that smoke particles become heavie
It shows diffusion of gases
It shows that gases stop moving after some time
It shows that gases have a fixed shape
2.
Does gravity stop the smoke from moving upward into jar B?
Yes, gas particles move randomly in all directions but not upward
Yes, gas particles cannot move upward
No, gas particles cannot move randomly in all directions
No, gas particles move randomly in all directions
3.
Why is diffusion fastest in gases?
Particles move freely and have very strong attractive forces between them
Particles can move barely as they are closely packed
Particles move freely and have very weak attractive forces between them
Particles cannot move freely and they are fixed
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