diffusionrefers to the movement of any chemical from one place to another, whereas osmosis exclusively refers to the movement of water across a membrane. also diffusion is the movement of molecules
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Amarnath Ashokan answered this
Diffusion is the free movement of molecules from a region of higher concentration to a region of lower concentration.
Osmosis is the movement of water molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.
