Química Acído-Base
Authored by Juan Diego Arias
Chemistry
9th - 12th Grade
Used 4+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuantos electrones tiene un átomo de hidrógeno neutro
1
2
0
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el número atómico del oxígeno?
6
7
8
9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la carga eléctrica de un protón?
Positiva
Negativa
Neutra
No tiene carga
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Una solución que tenga pH=1 puede significar que:
I Es ácida
II Es neutra
III Es básica
¿Cuál o cuales de las afirmaciones son ciertas?
Sólo I
Sólo II
Sólo III
I y II
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál de las siguientes reacciones corresponden a una neutralización?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Para neutralizar el carácter básico de una sustancia, hay que agregar:
A. otra sustancia básica
B. una sustancia ácida
C. una sal
D. un metal
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Son características de los ácidos las siguientes, exepto:
A) En solución acuosa conducen la corriente eléctrica
B) Tienen sabor agrio
C) Son jabonosos o resbaladizos al tacto
D) Cambian el color a los indicadores de pH
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