Essential Chemistry for IGCSE - Particles And Purification (Section 9 - No. 33)
Which of the following statements best describes Brownian motion?
The movement of liquid particles at a certain temperature.
The random movement of small particles suspended in a liquid or gas.
The process where a solid turns directly into a gas.
The movement of solids in a liquid at a certain pressure.
Explanation
Brownian motion refers to the random movement of particles suspended in a fluid.
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