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Question

Cloud is an example of ?


A

solid dispersed in gas

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B

liquid dispersed in gas

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C

liquid dispersed in solid

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D

solid dispersed in liquid

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Solution

The correct option is B

liquid dispersed in gas


Explanation for the correct option:

Option(B): liquid dispersed in gas

  • A colloid is known as a mixture in which one species, having a size a little more than microscopic, is dispersed in a continuous phase.
  • Here, the species that is dispersed is called the dispersed phase, whereas the one that gives the continuous phase is called a dispersion medium.
  • In the case of clouds, it has a dispersion medium as gas whereas the dispersed phase is the liquid.
  • Hence it can be said that a cloud is an example of a liquid dispersed in a gas.

Explanation for the incorrect option:

Option(A): Solid dispersed in gas

  • In the case of solid dispersed in a gas, the dispersion medium can be given as gas whereas the dispersed phase is solid.
  • Aerosol is an example of a solid dispersed in gas.
  • The solid dispersed in gas doesn't include Cloud as an example.

Option(C): Liquid dispersed in solid

  • In the case of liquid dispersed in solid the dispersion medium can be given as solid whereas the dispersed phase is liquid.
  • Examples of gel include: cheese, butter, and jellies.
  • liquid dispersed in solid does not correspond to the example of Cloud.

Option(D): Solid dispersed in liquid

  • In the case of solid dispersed in a liquid, the dispersion medium can be given as liquid whereas the dispersed phase is solid.
  • Sol can be represented as a colloidal suspension with solid dispersed in the liquid.
  • The solid dispersed in the liquid doesn't include Cloud as an example.

Hence, Cloud is an example of liquid dispersed in gas.


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