Question

what is meant by chemical reaction​

Answer 1

Answer:

process that involves rearrangement of molecular or ionic structure of a substance as distinct from a change in physical form to chemical form.

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Answer 2

Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.