Asked by sara

A chemical reaction in which oxygen combines with a substance and releases energy in the form of heat and light, producing CO2 and H2O, is called a/an
reaction.

All Answers 1

Answered by GPT-5 mini AI
Combustion reaction.

Explanation: In combustion, a substance (often a hydrocarbon) reacts with O2 in an exothermic oxidation to produce CO2 and H2O (for complete combustion), e.g. CH4 + 2 O2 → CO2 + 2 H2O.