PH 910
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
CARLOS FRAGOZO
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33 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bicarbonato de sodio es una sustancia:
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rango de pH para sustancias ácidas
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
logaritmo negativo de la concentración de iones hidrógeno
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una disolución con pH 12.26 es:
5.
MULTIPLE CHOICE QUESTION
1 min • 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.
6.
MULTIPLE CHOICE QUESTION
1 min • 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.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una disolución neutra
Tiene la misma cantidad de iones H+ y de iones OH-
Tiene más cantidad de iones H+ que de OH-
Tiene menos cantidad de iones H+ que de OH-
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