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Chemistry - Redox reactions

Redox reactions

Redox reactions involve the complementary processes of oxidation and
reduction, and can be identified on the basis of one or more of four
definitions of oxidation and reduction. The most commonly used definition
refers to electron transfer where oxidation is the loss of electrons by one
species and reduction is the gain of electrons by, usually, a different
species. The other definitions of redox reactions relate to oxygen
transfer, hydrogen transfer and changes in oxidation numbers.

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