Combustion reactions transfer electrons from the fuel to the oxidiser.
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Oxygen is the ideal oxidising agent for combustion Source: Bigthink.com
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Combustion requires
- Oxidising agent to sustain combustion
- Fuel as a combustible material
- Heat to raise an object to its ignition temperature
- An exothermic chemical reaction that is fire.
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These four elements form the combustion tetrahedron.
Fire extinguishers
They take away one or more elements from the combustion tetrahedron.