The reaction in which one type of atom or group of atoms takes the place of another atom is called:
Oxidation reaction
Substitution reaction
Addition reaction
Combustion reaction
The reaction in which one type of atom or a group of atoms takes the place of another atom is known as Substitution reaction.
Oxidation is the process in which an atom or a group of atoms taking part in a chemical reaction loses one or more electron.
The addition of hydrogen atoms or removal of oxygen atoms is called reduction reaction.