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How can you tell if a reaction is combustable or not?

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Combustion is an exothermic reaction, generally categorized by the release of energy through heat or light.

A combustion reaction must occur between oxygen and a fuel. The products vary from incomplete to complete combustion. Incomplete combustion occurs under the lack of oxygen, which complete combustion occurs under excess oxygen.

As long as reaction contains a fuel and oxygen, plus the need to heat, it should be a combustion reaction. The common products formed are CO2 and H2O.
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What is a combustion reaction?

A combustion reaction is a reaction in which a substance reacts with oxygen and heat is released. C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g) another answer: C(s)+O2(g) CO2(

Are all combustion reactions redox reactions?

Yes, all combustion reactions are redox reactions because elemental oxygen is a reactant. (Silberberg, "Chemistry The Molecular Nature of Matter and Change" Fifth edition)

How is a decomposition reaction different from a combustion reaction?

A decomposition reaction turns molecules into smaller molecules (or even atoms). Examples of decomposition reactions are electrolyses, photolysis, thermolysis (and many more).

Are all oxidation reactions combustion reactions?

Sometimes, as during oxidation reactions oxygen is either added or hydrogen is removed from that particular element or compound undergoing the reaction. Combustion is burning

Why is combustion reaction an oxidation reaction?

Combustion means the reaction of a compound with atmospheric oxygen. On the other hand oxidation means:- i) Addition of oxygen ii) Removal of hydrogen iii) Loss of elect