Reagent
/riˈeɪdʒənt/
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Definition
(noun) A compound or mixture of compounds used to treat or test materials, samples, other compounds or reactants in a laboratory or sometimes an industrial setting.
Sentence Examples
Perchloric acid (HClO₄) is a powerful reagent.
A reagent is a substance used to cause a chemical reaction.
CEFR Practice Quiz
The laboratory technician added the ____ to the sample and waited for the color change to occur.