CBSE Class 9 Answered
What is the difference between osmosis and difusion?
Asked by | 07 May, 2011, 02:59: AM
Expert Answer
|
Diffusion |
Osmosis |
|
It can occur in any medium. |
It occurs only in liquid medium |
|
It involves movement of solid, liquid or gaseous molecules. |
It involves movement of liquid (water) molecules only. |
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Diffusion does not require any semi-permeable membrane |
Osmosis requires a semi-permeable membrane. |
|
For example - A person standing far away can smell the perfume when it is sprayed, due to the diffusion of the perfume molecules. |
For example - Swelling of dry raisins when placed in water |
Answered by | 08 May, 2011, 08:19: AM
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