Reacciones de óxido reducción
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Hard
Paula aravena
Used 28+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
De los siguientes cambios, ¿cuál es un ejemplo de oxidación?
Sublimación
Corrosión
Combinación
Neutralización
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Qué sucede cuando una sustancia gana electrones?
Se reduce
Se electrifica
Se oxida
Se neutraliza
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
LA OXIDACIÓN ES UN PROCESO QUÍMICO EN EL QUE UNA SUSTANCIA
Gana protones
Cede protones
Cede electrones
Gana electrones.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El número de oxidación del Cromo (Cr) en el anión dicromato (Cr2O7-2) es
-6
+3
-3
+6
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El número de oxidación del fósforo en P2O6-4
+8
+4
+12
+14
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
La siguiente reacción Cu+2 + 2e- → Cu0 representa una reacción de
Oxidación
Reducción
Liberación de electrones
Ácido
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. ¿Cuál de las siguientes afirmaciones da cuenta de que un determinado proceso químico es una reacción redox?
La masa de los reactantes es igual a la masa de los productos
Existe ruptura de enlaces y formación de otros nuevos
Existe un balance de cargas entre reactantes y productos
Las especies experimentan cambios en sus estados de oxidación
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