The Brownian motion is due to:
Correct answer: C. Impact of the molecules of the dispersion medium on the colloidal particles.
- A. Temperature fluctuation within the liquid phase.
- B. Attraction and repulsion between charges on the colloidal particles.
- C. Impact of the molecules of the dispersion medium on the colloidal particles.
- D. Convectional currents.
Explanation
Brownian motion is the random movement of the low weight particles suspended in a fluid.
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Solutions are described using molarity, molality, normality, mole fraction, percentage concentration and parts per million. Coverage also includes vapour-pressure lowering, boiling-point elevation, freezing-point depression and osmotic pressure, then distinguishes true solutions, colloids and suspensions by particle size, stability, light scattering and settling.
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