Respuesta :
Answer: Synthesis reaction
Explanation:
1. Decomposition is a type of chemical reaction in which a single reactant gives two or more than two products.
2. Double replacement is a type of chemical reaction in which exchange of ions take place.
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. Synthesis is a type of chemical reaction in which two or more than two reactants combine together to give a single product.
[tex]N_2+3H_2\rightarrow 2NH_3[/tex]
