Question

what is reduction reaction​

Answer 1

Answer:

redox

Explanation:

Redox is a type of chemical reaction in which the oxidation states of atoms are changed. Redox reactions are characterized by the actual or formal transfer of electrons between chemical species, most often with one species undergoing oxidation while another species undergoes reduction.

hope it helps

all the best

Answer 2

Addition of H2 ( Hydrogen) or reduction of O2 ( oxygen) is called reduction.