
cuestionario de PH
Science
4th Grade
NGSS covered
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11 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nombre genérico de las sustancias que tienen tacto resbaloso y son amargas.
sales
ácidos
bases o hidróxidos
agua
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nombre de la sustancia que al contacto con un metal lo corroe o destruye, sabor agrio .
Sales
Acidos
Bases
Hidróxidos
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Tipo de sustancia que al disociarse produce concentración de iones H+
Sales
Agua
Hiróxidos
Acidos
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El rango de menos de 7 a cero corresponde a sustancias con caracter________
básico
ácido
salado
redox
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bicarbonato de sodio es una sustancia:
6.
MULTIPLE CHOICE QUESTION
30 sec • 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.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fórmula de la molaridad es:
M = nº equivalentes / litros disolución
M = nº moles / litros disolución
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