Answer:
The substance which take part in chemical reaction are called Reactants ..
Chemical reactions are usually characterized by a chemical change . A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products..
Reactants means that a substance that takes part in and undergoes change during a reaction.
Some chemical reactions go to completion, resulting in all of the reactants becoming products. These reactions are said to be irreversible.
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