
PH TEMA 9
Authored by alejandro hidalgo
Science
Professional Development
Used 12+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Si reaccionan un ácido y una base que productos se forman?
Sal (del ácido) + sal (de la base)
Sal + agua
Agua + lípidos
Ninguna es correcta
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Arrhenius decía qué:
Un ácido es una sustancia que al disolverse en agua aumenta la [] de OH-
Un ácido es una sustancia que al disolverse en agua aumenta la [] de H+
Un base es una sustancia que al disolverse en agua aumenta la [] de H+
Ninguna es correcta
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una base conjugada de un ácido es:
compuesto resultante tras disolverse en agua un ácido
compuesto resultante tras disolverse en agua un base
Ninguna es correcta
A y B son correctas
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El grado de disociación es:
% de la sustancia sin disociar
% de la sustancia disociada
Relación en % de la sustancia disociada y la sustancia sin disociar
Ninguna es correcta
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un ácido y base fuerte es aquel:
Que no se disocia
Se disocia completamente en agua
Se disocia parcialmente
Ninguna es correcta
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un ácido y base débil:
Se disociada parcialmente en el agua
Se disocia completamente
No se disocia
Ninguna es correcta
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Respecto al pH:
Determina la acidez o basicidad de una disolución, y se mide en [H+]
Determina solo la acidez de una disolución, y se mide en [OH+]
Determina solo la base de una disolución, y se mide en [H+]
Ninguna es correcta
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