Question
Differentiate between diffusion and osmosis. What is its importance?
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Answer
| OSMOSIS | DIFFUSION |
| It involves the movement of solvent molecules | It involves the movement of solute molecules |
| Molecules move from a lower concentration of solute to a higher concentration of solute | Molecules move from higher concentration of lute to a lower concentration of solute |
| It occurs only across a semi-permeable membrane | It does not require semi-permeable membrane |
| Example: Shrinking of Potato slice when kept in concentrated sucrose solution | Example: Spreading of ink when a drop of it is put in a glass of water. |
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