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Question

Brownian movement is fastest in ______________.


A

solids

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B

liquids

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C

gases

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D

none of these

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Solution

The correct option is C

gases


The explanation for the correct option:

Gases:

  • Brownian movement or motion, zigzag, irregular motion exhibited by minute particles of matter when suspended in a fluid.
  • Particles in both liquids and gases move randomly.
  • They are bombarded by the other moving particles in the fluid.

The explanation for the incorrect option:

Solids: In the case of solids, there is no such constant motion of the molecules of the dispersed medium.

Liquids: Molecules in liquids are in a constant state of random motion but slower than in gases.

Hence the correct option is C.


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