Reduction Reaction
A reduction reaction is a chemical change in which a
substance gains electrons.
[EXAMPLE]
Cu²⁺ + 2e⁻ → Cu
(Copper ion gains electrons and gets reduced to
copper metal.)
Oxidation Reaction
An oxidation reaction is a process where a substance
loses electrons.
[EXAMPLE]
Zn → Zn²⁺ + 2e⁻
(Zinc atom loses electrons and gets oxidized to Zn²⁺
ion.)