Question

what is smoke ? how smoke is produced ?

Answer 1

Smoke is a visible suspension of carbon or other particles in air, typically one emitted from a burning substance.Although smoke can contain hundreds of different chemicals and fumes, visible smoke is mostly carbon (soot), tar, oils and ash. Smoke occurs when there is incomplete combustion (not enough oxygen to burn the fuel completely). In complete combustion, everything is burned, producing just water and carbon dioxide.

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