Question

what is oxidation and reduction

Answer 1

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Oxidation means reduction of hydrogen and gaining of o2
reduction means gaining of h2 and reduction of o2

Answer 2

Oxidation; Oxidation is the loss of one or more electrons by an atom. When the oxidation number of an element increase,that means there is a loss of electrons and that element is being oxidized

Reduction; reduction is the gain of one or more electrons by an atom.when the oxidation number of a element decreases,that means there is a gain of electron and that element is being reduced OIC RIG;''Oxidation is loss'' and '' Reduction is gain '' LEO says GES; Loss of electron is oxidation and gain of electron is reduction