What occurs when two fluids having a concentration gradient come in contact?

What occurs when two fluids having a concentration gradient come in contact? Correct Answer Diffusion

When two fluids having a concentration gradient amongst them come in contact, diffusion takes place. Mixing of various liquids at the micro-scale level is attained by the physical process of diffusion.

Related Questions

For steady-state diffusion, diffusion flux is proportional to the concentration gradient. Concentration gradient is:
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