Answer: decomposition reaction
Explanation:-
1. Synthesis is a type of chemical reaction in which two or more than two reactants combine together to give a single product.
2. Decomposition is a type of chemical reaction in which a single reactant gives two or more than two products.
[tex]2H_2O_2\rightarrow 2H_2O+O_2[/tex]
3. Single replacement is a type of chemical reaction in which a more reactive element displaces the less reactive element from its slat solution.
4. Double replacement is a type of chemical reaction in which exchange of ions take place.
