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Why do oxidation and reduction occur together in a redox reaction?

Answer and explanation

Correct answer: What one substance loses another substance gains

The governing concept is electron transfer in a redox reaction. When one substance loses electrons, it is oxidised; those electrons cannot disappear, so another substance accepts them and is reduced. The same linked transfer can also be described through oxygen gain and loss. Therefore oxidation and reduction necessarily occur together, making option A correct; the other choices describe neither the defining mechanism nor a necessary condition.

Related tags

ScienceClass10RedoxOxidation-ReductionChemical Reactions And EquationsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourClass 10 Mcq

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