BALANCEO DE ECUACIONES QUÍMICAS
Quiz
•
Chemistry
•
12th Grade
•
Hard

KERLY CUENCA
Used 19+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El coeficientes estequiométrico que balancea la ecuación
K2O + H2O ==> ___ KOH es:
1
4
3
2
2.
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
3.
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
4.
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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cualquier elemento en su estado libre tiene un numero de oxidación igual a :
0
6.022 x 1023
-2
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Disminuye su numero de oxidación:
Se reduce
Gana electrones
Se oxida
Ninguna de las anteriores
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es ganancia de electrones:
Oxidación
Reducción
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