Question
Write down the differences between diffusion and osmosis.
✓
Answer
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Diffusion
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Osmosis
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$1.$
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Diffusion can occur in any medium.
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$1.$
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It occurs only in liquid medium.
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$2.$
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The diffusing molecules may be solids, liquids or gases.
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$2.$
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It involves movement of solvent molecules only.
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$3.$
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Semipermeable membrane is not required.
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$3.$
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Semipermeable membrane is required.
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$4.$
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An equilibrium in the free energy of diffusion molecules is achieved in the system.
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$4.$
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Equilibrium in the free energy of solvent molecules is never achieved.
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