
CHEM 123 EXAMEN #3
Quiz
•
Chemistry
•
University
•
Easy
Llarilis Ruiz
Used 4+ times
FREE Resource
38 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
El uso del papel litmus/tornasol, papel Alkacid es _____ el pH.
valor
acido
base
neutral
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Los ácidos débiles tienen pH’s ___________y los ácidos fuertes tienen rangos de pH ______.
Mas de 7 y menos de 7
Menos de 7 o mas de 7
Menos de 0 y mas de 14
Mas de 14 o menos de 0
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
El método para medir pH más preciso de los estudiados es _____________.
Con papel alkacid
Solo el metro
Metro y papel Alkacid
Ninguna de las anteriores
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
El pH puede ser medido por un instrumento llamado metro.
Cierto
Falso
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Antes de cada medida se debe seguir sin verificar la membrana de vidrio ya que no importa si contiene grasa o agua por que no afecta a la medida de solucion.
Cierto
Falso
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Partes del medidor de pH.
Membrana de cristal y vaina de cristal
Cable y buffer interno
Apantallamiento y electrodo conductor interno
Todas las anteriores.
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
No existe el cuidado del electrodo ya que no es importante.
Cierto
Falso
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