Question

Define diffusion . ( in chemistry not in biology)

Answer 1

Diffusion is the process of a substance spreading out to evenly fill its container or environment. In a solution, a concentrated solute diffuses to spread evenly in its solvent. In air, gas molecules diffuse to mix thoroughly. Substances diffuse from areas of high concentration to low concentration.
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Answer 2

★ The passive movement of molecules or particles along a concentration gradient from region of higher to region of lower concentration.
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