Synthesis: Synthesis is adding two elements together to equal one new element. C+D=CD
Decomposition: The opposite of synthesis. Break down the elements to separate the compound element. CD=C+D
Single-Replacement: A metal replaces a metal, and a nonmetal replaces a nonmetal. F+GH turns into FH+G.
Double-Replacement: The same rules follow as single-replacement. RD+MC turns into RC+MD
Combustion: all substances in a compound are combined with oxygen, combustion means burning. Heat is easily produced, but can be easily distinguished. CxHy + O2 --> CO2 + H2O
http://library.thinkquest.org/2923/react.html
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