TYPES OF REACTIONS

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TYPES OF REACTIONS

• CHEMICAL REACTIONS 4 TYPES SYNTHESIS
  DECOMPOSITION SINGLE AND DOUBLE DISPLACEMENT

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SYNTHESIS

• Synthesis
• A synthesis reaction is when there is a
  combination of two or more substances and a
  compound results. An example of a synthesis
  reaction is as follows
• A B --gt AB

3
DECOMPOSITION

• Decomposition
• Decomposition is the opposite of synthesis. It is
  when a compound is broken down into simpler
  substances, usually through electrolysis. An
  example of decomposition is as follows
• AB --gt A B

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SINGLE REPLACEMENT

• Single Replacement Reactions
• In a single replacement reaction, there is a rule
  that is always followed. A metal replaces a
  metal, or a nonmetal replaces a nonmetal. An
  example of a single replacement reaction is as
  follows
• A BC --gt AC B

5
DOUBLE REPLACEMENT

• Double Replacement Reactions
• In a double replacement reaction, this rule is
  always followed. A metal replaces a metal, and a
  nonmetal replaces a nonmetal. An example of a
  double replacement reaction is as follows
• AB XY --gt AY XB

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COMBUSTION

• A combustion reaction is when all substances in a
  compound are combined with oxygen, which then
  produces carbon dioxide and water. It is an
  exothermic reaction, which means heat is produced
  and is easily distinguished. Combustion occurs
  predominantly in automobiles, homes, and in
  factories. Example CxHy O2 --gt CO2 H2O