Fire combustion

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                                            Combustion is a chemical reaction or a serious of reactions in which heat & light are emitted. Three factors such as heat ,oxygen and fuel are necessary for combustion to occur .The burning of most materials produce a flame. 




                                            Flame may be defined as a reaction having the ability to spread through an atmosphere with the emission of heat & light. combustion is a type of reaction known as chain reaction.Most solid & liquids have to be heated above normal temperature before flammable vapors are emitted.

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