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What is chemical reaction ? ​

User Alien
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a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.
User Sksamuel
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A chemical reaction is like a process with one or more substances which are also called reactants, they are converted to one or more different substances which are also known as products.

Hope that helps you out.
User Yessie
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