instruction:
In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.
question:
En ciertos casos es necesario llevar a cabo tratamientos previos con agentes oxidantes o reductores en valoraciones redox con la finalidad de
answer:
In certain cases it is necessary to carry out previous treatments with oxidizing or reducing agents in redox evaluations in order to


question:
En el procesamiento y presentación de péptidos de origen extracelular interviene (n)
answer:
In the processing and presentation of peptides of extracellular origin intervene (n)


question:
Por calentamiento en hornos eléctricos de sílice, carburo de calcio y carbón se obtienen siliciuros de calcio. Uno de ellos
answer:

By heating in electric furnaces of silica, calcium carbide and coal, calcium silicides are obtained. One of them