Multiple choice

The zig-zag motion of the colloidal particles and suspensions in a solution is called _____.

  1. Brownian motion

  2. Tyndall effect

  3. Electrophoresis

  4. None of these

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A Correct answer
Explanation

Brownian motion (named after the botanist Robert Brown) or pedesis is the presumably random drifting of particles suspended in a fluid (a liquid or a gas) or the mathematical model used to describe such random movements, which is often called particle theory.