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Question

Smoke is a dispersion of:


A

Gas In Gas

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B

Solid In Gas

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C

Gas In Solid

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D

Liquid In Gas

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Solution

The correct option is B

Solid In Gas


Smoke:

  • Smoke is a colloidal solution of suspended dust particles in the air.
  • So, in the smoke dispersed phase is solid dust particles, and the dispersed medium is air which is a mixture of gases.
  • Hence, Smoke is a solid aerosol-type colloid consisting of the solid dispersed phase in the gaseous dispersed medium.

Hence option (B) is correct


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