Why any substance can be burnt only in the presence of oxygen
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Why any substance can be burnt only in the presence of oxygen ?
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Air or oxygen which helps in burning is called supporter of combustion and the chemical reaction which takes place with the release of heat and light energy is called combustion. A chemical process in which a substance reacts with oxygen to give off heat is called combustion. Oxygen helps in burning. Hence , any substance can be burnt only in the presence of oxygen.
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