The beginning substances in a chemical reaction are known as the reactants.
Reactants
The starting materials of a chemical reaction are called reactants or reagents.
The substances you have at the beginning of a chemical reaction are called the reactants.
The substances evolved after a chemical reaction are called in English products and are not starting substances - the are called reactants.
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catalyst
reactants
Reactants
In a chemical reaction the actual reactants are also called the starting materials or interactants. These are the materials necessary for the reaction to happen and undergo chemical change.
The starting materials in a chemical reaction are called reactants.
are the reactants.
They are called reactants.