# In what type of a reaction do two or more reactants combine to form a product?

Apr 20, 2017

A synthesis reaction, also called a combination reaction.

#### Explanation:

Examples:

Synthesis of hydrogen peroxide.

${\text{H"_2"O + O}}_{2}$$\rightarrow$${\text{H"_2"O}}_{2}$

Synthesis of ammonia.

${\text{N"_2 + "3H}}_{2}$$\rightarrow$${\text{2NH}}_{3}$