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    •  Science >> Science Discoveries >  >> Chemistry
    Synthesis, Decomposition & Exchange Reactions: Definitions & Examples
    Synthesis reaction: Two or more substances combine to form a new substance.

    * Example: 2H₂ + O₂ → 2H₂O

    Decomposition reaction: A single substance breaks down into two or more new substances.

    * Example: 2H₂O → 2H₂ + O₂

    Exchange reaction: Two or more substances exchange ions to form two or more new substances.

    * Example: NaCl + AgNO₃ → NaNO₃ + AgCl

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