
Reacciones redox
Authored by Ana Alicia Sánchez
Chemistry
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 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 o pierde
cede y gana
gana y cede electrones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el proceso donde hay ganancia de electrones por una sustancia en una reacción química?
OXIDACIÓN
REDUCCIÓN
A Y B SON CORRECTAS
NINGUNAS SON CORRECTAS
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para establecer quien se oxida y quien se reduce en una reacción redox utilizamos el concepto de :
ESTADO DE OXIDACIÓN
OXIDACIÓN
REDOX
QUIEN SE OXIDA Y SE REDUCE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cualquier elemento en su estado libre tiene un numero de oxidación igual a :
0
1
-2
6.022 x 1023
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son aquellas que producen energía eléctrica y ocurren de manera espontaneas:
Bacterias
Pilas
Polo
Ánodo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El polo o electrodo negativo de una pila se llama y en ella ocurre oxidación:
Cátodo
Ánodo
A Y B son correctas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Son reacciones no espontaneas, que consumen energía eléctrica:
Sales
Electrolisis
NaCl
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