1) 1. C + O2 → CO2 a) combination b) decomposition c) single displacement d) double displacemnet 2) 2. NiSO4 + Li3PO4 → Ni3 (PO4)2 + Li3SO4 a) combination b) decomposition c) single displacement d) double displacemnet 3) 3. Fe + CuSO4 → FeSO4 + Cu2 a) combination b) decomposition c) single displacement d) double displacemnet 4) 4. H202 → H2O + O2 a) combination b) decomposition c) single displacement d) double displacemnet 5) 5. N2 + H2 → NH3 a) combination b) decomposition c) single displacement d) double displacemnet

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