
REDOX
Quiz
•
Chemistry
•
11th Grade
•
Hard
Carolina Simões
Used 11+ times
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numa reação de redução, há
perda de eletrões
ganho de eletrões
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As reações de oxidação são caracterizadas pela perda de eletrões.
Verdadeiro
Falso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A seguinte reação é : Fe (s) → Fe2+ (aq) + 2e-
De redução
De oxidação
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na seguinte reação : Cu2+ (aq) + 2e- → Cu (s)
há perda de eletrões
há ganho de eletrões
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O número de oxidação de um elemento químico dá informação sobre o estado de oxidação e traduz a carga elétrica do átomo?
Verdadeiro
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O nº de oxidação do Fe2+ é...
+2
-2
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantos nº de oxidação possui o ferro?
1
2
3
4
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