1) Loss of electrons a) Oxidation b) Reduction 2) Loss of oxygen a) Oxidation b) Reduction 3) An oxidising agent... a) removes electrons from a substance b) gives electrons to a substance 4) 2I- + Br2 --> 2Br- + I2 What has been oxidised? a) Bromine b) Bromide c) Iodine d) Iodide 5) 2I- + Br2 --> 2Br- + I2 What has been reduced? a) Bromine b) Bromide c) Iodine d) Iodide 6) Iron oxide + aluminium --> aluminium oxide + iron What has been oxidised? a) Iron oxide b) Aluminium c) Aluminium oxide d) Iron 7) CuSO4 + Zn --> ZnSO4 + Cu What has been reduced? a) Cu2+ b) Zn c) Zn2+ d) Cu

Redox

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