Question

the necessary condition for combustion are
(a) fuel and air
(d) fuel air anf heat
(c) fuel and heat
(d) air and heat​

Answer 1

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.

Explanation:

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