Mention a phenomenon by which it can be said that the gas molecules are in constant motion. Mention two incorrect postulates of the Kinetic Theory of gas. [1+2]
WBBSE
Class X
Physical Science
Behaviour of Gases
03 Mark
2024
Phenomenon: Brownian motion shows that gas molecules are in constant motion.
Two incorrect postulates of Kinetic Theory of Gases:
- The volume of gas molecules is negligible compared to the volume of the container.
- There are no forces of attraction or repulsion between gas molecules.
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