1er Laboratorio QAG

Quiz
•
Chemistry
•
University
•
Hard
Matias Lazzaro
Used 2+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué instrumento de laboratorio es más preciso?
Probeta
Pipeta Graduada
Pipeta Aforada
Ninguna
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué par de instrumentos utilizaría para titular una solución?
Bureta y Pipeta
Bureta y Matraz
Pipeta y Erlenmeyer
Pipeta y Vaso de precipitado
Bureta y Erlenmeyer
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El hidróxido de sodio es un patrón primario
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mediante una titulación ácido-base lograremos determinar el .................... de la muestra
Punto final
Punto de equilibro
Volumen final
Analito
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La estandarización del NaOH con Biftalato de potasio tiene el fin de:
Comprobar que el Biftalato sea puro
Formar un patrón primario
Corroborar la concentración del NaOH
Determinar la concentración de CaCO3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La curva de titulación de NaOH con HCl será exactamente igual a la curva con Ácido Acético.
VERDADERO
FALSO
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para la titulación del vinagre utilizaremos ....................... como indicador
Heliantina
Fenolftaleína
NaOH
Ácido acético
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No hay manera de determinar qué par de compuestos se encuentran en una mezcla de NaOH, HNaCO3 y H2CO3.
VERDADERO
FALSO
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Durante el análisis de mezclas alcalinas la solución titulante será:
HCl
NaOH
H2CO3
Heliantina
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