Oxido-reducción
8th Grade
•11 Qs
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Oxido-reducción
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
yeraldith andrade
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando observamos el cambio de color en las frutas como la mazana y el plátano se trata de un fenómeno llamado
oxidación
deshidratar
combustión
efervescencia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
De la combinación de elementos resultan los...
reactivos
elementos
átomos
compuestos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las ecuaciones químicas están conformadas por
compuestos y elementos
sustancias y elementos
reactivos y productos
formulas químicas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los números de oxidación del grupo de los alcalinos es de...
1
+1
+2
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El grupo de los metales alcalinotérreos tiene un numero de oxidación de
+2
-2
+1
-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de oxidación del oxigeno es de_______ excepto en los peróxi-dos
+1
-1
+2
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número de oxidación del H es de____ excepto en los hidruros metálicos
-1
+1
-2
+2
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