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 * __Chemical Reactions__**

There are several ways to classify chemical reactions, the five basic reaction types are as follows. Synthesis, Decomposition, Single-Displacement, Double-Displacement, and Combustion Reactions. **Synthesis Reactions** are also known as Composition Reactions and they occur when two or more substances combine to form a new compound. **Decompositin Reactions** take place when a single compound undergoes a reaction that produces two or more simpler substances. **Single-DIsplacement Reactions** which are also known as Replacement Reactions take place when one element replaces a similar element in a compound. **Double-Displacement Reactions** are when the ions of two compounds exchange places in an aqueous solution to form two new compounds.**Combustion Reactions** occur when a substance combines with oxygen, releasing a large amount of energy in the form of light and heat.

Reaction One Synthesis M.Killeen Reaction Two Decomposition Reaction Three Single DIsplacement Reaction Four Double Displacement Reaction Five Combustion