
Laboratorio 1 _ Martes
Authored by Marcela Vettorazzi
Chemistry
University
Used 2+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál de los siguientes materiales de vidrio se utiliza comúnmente para mezclar pequeñas cantidades de líquidos o sólidos en un laboratorio?
Tubos de ensayo
Matraz aforado
Bureta
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Referido a una pipeta simple aforo, marque la opción CORRECTA:
Se puede calentar
Puede medir volúmenes variables
Es menos precisa que la pipeta doble aforo
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Si tuviera que calentar una solución, utilizaría:
Un matraz aforado
Una probeta
Un vaso de precipitado
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál es el procedimiento correcto para apagar un incendio en un laboratorio?
Utilizar agua para extinguir las llamas
Usar un extintor adecuado para el tipo de fuego
Gritar pidiendo ayuda
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si ocurre un derrame de un producto químico ÁCIDO sobre la piel, debo:
Neutralizar con una solución de bicarbonato de sodio
Neutralizar con una solución de ácido bórico
Solamente lavar con agua
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