Which of the following is a definition of reduction? a. Reduction is the gain of BOTH electrons AND oxygen. b. Reduction is the loss of electrons. c. Reduction is the gain of electrons. d. Reduction is the gain of oxygen.

Answer: Option C) Reduction is the gain of electrons.

Explanation:

Reduction is a process involving a gain of electron (s), while oxidation involves a loss of electron (s).

Thus, an oxidizing agent is a substance that accepts electron (s) and become reduced, while a reducing agent is a substance that donates electron (s) and so becomes oxidized.

Thus, reduction is the gain of electron (s)