Question

what is combustion? What condition necessary for combustion?
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Answer 1

Answer:

Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel. There must be Fuel to burn. There must be Air to supply oxygen. There must be Heat (ignition temperature) to start and continue the combustion process.

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Answer 2

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Combustion :-

Combustion, or burning, is a high-temperature exothermic redox chemical reaction between a fuel and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.

Conditions necessary for combustion :-

There are three necessary conditions for combustion :-

1. Presence of combustible substance
2. Presence of supporter of combustion
3. heating the combustible to inigation temperature