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18 May, 09:04

Which reactions performed in the experiment involved chemical changes?

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  1. 18 May, 11:08
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    A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation.
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