jazminescobar203 jazminescobar203 25-09-2020 Chemistry contestada Which of the following is a single replacement reaction? ( a. Ba(OH)2 + H2SO4 → BaSO4 + 2H2O ( b. 2Mg + O2 → 2MgO (c. H2O+ CO2 → H2CO3 (d. Zn + H2SO4 → ZnSO4 + H2