Class 9 Chemistry Matter In Our Surroundings Gaseous state

Gaseous state

  • They do not have definite shape and take up the shape of the container.
  • They do not possess definite volume due to weakest intermolecular forces.
  • They are not rigid.
  • They are easily compressible due to excess space between the particles of gas which compresses on applying pressure.
  • They can easily undergo diffusion due to the fact that molecules in a gas moves at a very fast rate due to which speed of diffusion is very large.
  • They can flow in all possible directions.

Fig. Particles of gas are loosely packed and have excess space between the particles

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