A '''complete combustion reaction''' is a reaction in which [[oxygen]] (O<sub></sub>) is added to a substance which contains [[carbon]] (C) and [[hydrogen]] (H) producing only [[carbon dioxide]] (CO<sub>2</sub>) and water (H<sub>2</sub>O) as products.
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A '''complete combustion reaction''' is a reaction in which [[oxygen]] (O<sub></sub>) is added to a substance like hydrocarbon which contains [[carbon]] (C) and [[hydrogen]] (H) producing only [[carbon dioxide]] (CO<sub>2</sub>) and water (H<sub>2</sub>O) as products.