why do some reactions show more than one characteristics
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chemical reaction results in a change of molecular or ionic structure. Scientists and medical professionals create and observe chemical reactions in order to study these changes. But how do they know whether a chemical reaction has taken place during the course of an experiment? The only way to know for sure is to perform a detailed chemical analysis. However, chemical reactions have several observable characteristics that scientists can see. The presence of one or more of these characteristics may indicate that a chemical reaction has taken place.
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Because there are both properties physical or chemical of reactions
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