In a redox reaction, the substance that gains electrons is called: (2021)

In a redox reaction, the substance that gains electrons is called: (2021)

Step 1: Understand what a redox reaction is. A redox reaction involves the transfer of electrons between two substances.
Step 2: Identify the two key terms: oxidation and reduction. Oxidation is the loss of electrons, while reduction is the gain of electrons.
Step 3: Recognize that the substance that gains electrons is undergoing reduction.
Step 4: Know that the substance that causes another substance to be reduced (gains electrons) is called the oxidizing agent.
Step 5: Conclude that in a redox reaction, the substance that gains electrons is the oxidizing agent.

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