Question:
Difference between osmosis and diffusion?
Answer:
| Osmosis | Diffusion |
| 1. Movement of solvent molecules takes place only in one direction. | 1. Movement of both solute and solvent molecules can take place in all directions. |
| 2. Movement takes place across a semi- permeable membrane. |
2. It does not require a semi-permeable membrane |
| 3. Takes place in liquids only. | 3. Occurs in all media. |
| 4. It is a slow process where movement of solvent molecules may take place over a short distance only. | 4. It is comparatively rapid process where molecules of liquids and gases diffuse over large distances. |
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