lexixox5 lexixox5 20-03-2021 Chemistry contestada 7. Of the balanced chemical equations below, which one most correctly represents a combustion reaction? a. CaO + H20 Ca(OH) 2 b. CH4 + 202 CO2 + 2H2O c. 2 Mg + O202 Mgo d. 2 N2 + 3H22 NH 3