Essential Chemistry for IGCSE - Chemical Reactions (Section 3 - No. 35)
Which of the following correctly describes a redox reaction?
A reaction involving the gain of oxygen.
A reaction involving the loss of oxygen.
A reaction where oxidation and reduction occur simultaneously.
A reaction where electrons are neither lost nor gained.
Explanation
A redox reaction involves both oxidation (loss of electrons) and reduction (gain of electrons) occurring at the same time.
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