Smoke is a result of complete combustion of a fuel.

True

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False

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Solution

The correct option is B False
Smoke is a result of partial combustion or some leftover unburnt particles. These tiny, unburnt particles get released into the air alongwith the gases of combustion and get mixed with the air which we see as smoke. Incomplete combustion of fuels gives carbon monoxide gas. It is a very poisonous gas.

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