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What is a simple way to identify oxidation?

Answer and explanation

Correct answer: Addition of oxygen

At the introductory level, oxidation can be identified as the addition of oxygen to a substance. For example, magnesium combines with oxygen to form magnesium oxide, so magnesium is oxidised. In broader definitions, oxidation may also mean loss of electrons or removal of hydrogen, but those are not the simple oxygen-based criterion asked here. Removal of oxygen is reduction, and freezing is a physical change.

Related tags

OxidationReductionOxygen AdditionChemical ReactionsChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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