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When a chemical reaction occurs how are new substances produced? Do atoms of one element transform themselves into atoms of another element? Do atoms withdraw from the mixture or turn up from elsewhere? Neither of these happens; what takes place is the breaking of old bonds between atoms and making of new bonds to form new substances. This can happen in a number of ways.
- Combination or Addition or Synthesis Reaction
- Decomposition Reaction
- Displacement or Substitution Reaction
- Double Displacement Reaction
- Oxidation - Reduction Reactions
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