
Evaluación final Química
Quiz
•
Chemistry
•
10th Grade
•
Easy
WILLIAM LAMPREA
Used 2+ times
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41 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se define como pH
La escala que se usa para medir la acidez de las sustancias
Los "horse power" de potencia que tiene una máquina.
Son las siglas de Hewlett Pakard
La escala que se usa para medir la acidez y la alcalinidad de una sustancia.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A una sustancia desconocida se le mide el pH utilizando el potenciómetro, cuya medida arroja 4,53. La sustancia pertenece al intervalo
Neutro
Básico
Ácido
El potenciómetro no sirve para medir el pH.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El pH de una disolución es
Una forma de medir la concentración del soluto.
Una forma de medir la concentración del soluto.
Una forma de medir la concentración de iones hidronio.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El PH de la sangre oscila entre:
7,0 y 6,5
7,40 y 7,60
6 y 8
7,35 y 7, 45
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La electronegatividad es una propiedad química que tienen los elementos
cuando liberan energía en estado neutro.
separan un electrón de su estado fundamental.
cuando son capaces de atraer electrones.
porque es la cantidad de electrones en su corteza.
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