Answer:
The answer to your question is single replacement.
Explanation:
Single replacement In this reactions, one element replaces an element of another molecule.
Double replacement In this reactions the metal of one molecule replaces the metal of another molecule and vice versa.
Synthesis here, two molecules combine to form a new one.
Decomposition One molecule form 2 or more molecules
Combustion one molecule that has carbon reacts with oxygen and produces carbon dioxide and water.
