Question

what is Redox reaction?write down a chemical reaction representing it.

Answer 1

if reduction and oxidation takes place simultaneously in a reaction ,the reaction is called as a redox reaction.
example: Zn+Cu²⁺ gives Zn²⁺+Cu

Answer 2

A reaction where oxidation and reduction takes place simulaneously.

Ex. Cuo+h2 =cu+h2o