What is redox reaction?Identify the substance oxidised and the substance reduced in the following reactions: a}PB3O4+8HCI arrow 3PBCL2+CL2+4H2O b}CUO+H2 arrow CU+H2O
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An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.
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