Análisis Químico 1 Parcial 1 By Cafe latte
Quiz
•
Chemistry
•
University
•
Medium
DOUGLAS HERNANDEZ
Used 10+ times
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31 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Al ocurrir un derrame de acido en la mesa de laboratorio se debe:
Agregar Hidroxido de Sodio
Agregar Bicarbonato de sodio
Agregar abundante agua
Ponerle papel toalla
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Las pipetas y buretas:
Se utilizan para contener soluciones
Miden la masa de una solucion
Su uso principal son las titulaciones
Deben lavarse previamente a su uso, con la solucicion que se va a transferir
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un desecador:
Evita que la muestra absorba humedad
Elimina la humedad d ela muestra
Ayuda a disminuir la temperatura de la muestra
Ayuda a que la muestra absorva humedad controlada
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uno de los propositos de los lavados de un precipitado en el proceso de filtración es:
Regular su pH
Bajar la concentracion del precipitado
Eliminar purezas
Disolver mas rapidamente el precipitado
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Para evitar la contaminacion de la muestra, se debe usar la misma muestra para los analisis fisicoquímicos y microbiológicos
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Todos los analisis quimicos requieren llevar un blanco
Verdadero
Falso
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Que es un analito
Cualquier componente que se va a determinar en una muestra
Es algo fisico en la muestra
Un ejemplo de ello puede ser un pan duro
Es todo aquello menos la muestra
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