Write down the differences between diffusion and osmosis.

Question

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Answer

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

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