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ICSE Class 10 Answered

Compare the process of diffusion and osmosis.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer
Diffusion Osmosis
  • Movement of a substance from its higher concentration to lower concentration when the two are in direct contact.
  • No membrane is involved.
  • Direct contact between the two substances is necessary.
  • It occurs in gases as well as in liquids.
  • Diffusion of water molecules across a semi-permeable membrane from a more dilute solution to a less dilute solution.
  • Osmosis takes place across a semi-permeable membrane.
  • Two solutions are separated by a semi permeable membrane.
  • Only water can move from its high concentration to low concentration.


Similarity:

  • In both diffusion and osmosis substances moves from their higher concentration region to lower concentration region.
Answered by | 04 Jun, 2014, 03:23: PM

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