Question

Reduction is a chemical process in which the oxidation number of a substance is:

a. Not change b. Increases c. Decreases d. Remain same​

Answer 1

Answer:

C(DECREASE)

Explanation:

An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron.

Answer 2

Answer:

In case of reduction the atom always gains an electron.

In case of oxidation it loses electron .

so answer should be B) Increases

Hope it helps!!!