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smithashlynm
A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance. An example of a chemical reaction is photosynthesis, the way plants create food.
A chemical reaction is a transformation in which one or more substances is converted into another by combination or decomposition. Some examples may be fizzing, flammability, reactions to water air or acid, decomposition from heat or light, or tendency to erode.
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