Fog is an example of colloidal system of___________________?
Correct answer: C. Liquid dispersed in gas
- A. Solid dispersed in gas
- B. Solid dispersed in liquid
- C. Liquid dispersed in gas
- D. Gas dispersed in liquid
Explanation
Fog consists of fine liquid water droplets dispersed in air, so it is a liquid-in-gas aerosol. Smoke, by contrast, is a solid dispersed in a gas.
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