Balanceo de reacciones químicas
Quiz
•
Chemistry
•
10th Grade
•
Hard

Santiago Pérez
Used 31+ times
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los coeficientes estequiometricos para balancear la siguiente ecuación química __NaCl+ __H2O ----> __NaOH + __Cl2+ __ H2 son:
2,2,2,1,1
2,1,2,1,1
1,2,2,1,1
1,1,2,2,2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Los coeficientes estequiometricos para balancear la siguiente ecuación química __Al + __O2 ----> __Al2O3
2,3,4
2,4,6
4,3,2
4,2,3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los coeficientes estequiometricos para balancear la siguiente ecuación química __ZnO+ __NaOH ----> __Na2ZnO2 + __ H2O son:
1,3,2,2
1,3,1,1
1,4,1,1
1,2,1,1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Los coeficientes estequiometricos para balancear la siguiente ecuación química __ Fe + __H2O ---> Fe3O4 + H2
3,4,2,8
4,1,4,3
3,4,2,4
3,4,1,4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
La oxidación es el proceso químico mediante el cual una sustancia _____________ o _________ electrones cuando participan en una reacción química.
pierde y cede a la vez
cede y gana
cede o pierde
gana y cede electrones
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Es el proceso donde hay ganancia de electrones por una sustancia en una reacción química?
A- Oxidación
B- Reducción
A y B son Correctas
Ninguna son correcta
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cualquier elemento en su estado libre tiene un numero de oxidación igual a:
1
2
0
-2
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