Di Xian's answer to Susmitha's Secondary 3 Biology question.

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Di Xian
Di Xian's answer
13 answers (Tutor Details)
1st
Focus on the oxidation numbers of each element

Increase in oxidation number = that element has been oxidized
Decrease in oxidation number = that element has been reduced

Quick tip:
In a redox reaction, a reducing agent will usually be oxidized.
And an oxidizing agent will usually be reduced.