What kind of chemical reaction is synthesis ? Support your answer by an example.

Explanation

Synthesis is a type of chemical reaction in which two or more simple substances combine to form a single product It is a direct combination type of chemical reaction.
(i) Two elements combine to form compounds.
For example, carbon burns in oxygen to form gaseous compound, carbon dioxide.
`C+O_2 to CO_2`
(ii) Two or more compounds combine to form a single product
Photosynthesis reaction is also a synthesis reaction, called as photochemical reaction.