How to Say "chemical process" in Spanish
The Spanish word for “chemical process” is “reacción” — B2 level.
English → SpanishB2
nounB2formal
Scientific transformation

Examples
El profesor explicó la reacción exotérmica del compuesto.
The professor explained the exothermic reaction of the compound.
Se necesita un catalizador para acelerar la reacción.
A catalyst is needed to speed up the reaction.
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