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UPSC 2013 CDS 2 GK Paper
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© examsnet.com
Question : 17
Total: 120
What type of mixture is smoke?
Solid mixed with a gas
Gas mixed with a gas
Liquid mixed with a gas
Gas mixed with a liquid and a solid
Validate
Solution:
Smoke is a heterogeneous mixture of solid particulates dispersed (mixed) in a gas. Smoke is a collection of tiny solid, liquid and gas particles. Smoke occurs when there is incomplete combustion (notenough oxygen to burn the fuel completely).
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