smallfry745oubzol smallfry745oubzol 30-04-2018 Physics contestada Which one of the following is a decomposition reaction? A. K2CO3 (s) → K2O (s) + CO2 (g) B. 4Fe (s) + 3O2 (g) → 2Fe2O3 (s) C. N2 (g) + 3H2 (g) → 2NH3 (g) D. 2LiOH (s) + CO2 (g) → Li2CO3 (s) + H2O (l)