Answer: (4) transmutation
Explanation:
Addition reaction is defined as the reaction in which two reactants get added to give single product.
[tex]A+B\rightarrow AB[/tex]
Substitution reaction is defined as the reaction in which one atom replaces the other atom from the compound.
[tex]AB+C\rightarrow AC+B[/tex]
Neutralization reaction is defined as the chemical reaction in which an acid reacts with a base to produce a salt and water molecule.
[tex]HX+BOH\rightarrow BX}H_2O[/tex]
Transmutation is a chemical reaction in which nucleus of the atom undergoes a change by radioactive decay and thus result into formation of new nucleus.
[tex]_{92}^{235}\textrm{U}+_0^1\textrm{n}\rightarrow _{56}^{143}Ba+_{36}^{90}Kr+3_0^1\textrm{n}[/tex]