derty2135 derty2135 10-11-2020 Chemistry contestada Which of the following reactions are considered single replacement reactions? (2 points) pls help me[Select ALL that apply] 2 Mg + O2 → 2MgOCaO + H2O → Ca(OH)2Fe + CuCl2 → FeCl2 + CuAu2S3 + 3 H2 → 2 Au + 3 H2S NaNO3 + KC2H3O2 → NaC2H3O2 + KNO32 MgNH4PO4 → Mg2P2O7 + 2 NH3 + H2O