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V Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox") reaction. If the reaction is a redox reaction, write down the formula of the reducing agent and the formula of the oxidizing agent. redox reaction? O yes O no 2 Na (s) + Cl, (g) - 2 NaCl (s) reducing agent: X oxidizing agent: redox reaction? O yes O no 70, (g) +2 CH, CH, (g) - 4CO, (8) +6H, O(g) reducing agent: oxidizing agent: redox reaction? O yes O no 3 Cr(NO,) (aq) +2 Al (s) - 3Cr(s) +2 Al(NO3) (aq) reducing agent: oxidizing agent