
Oxirredução
Authored by FERNANDA ALMEIDA
Chemistry
1st - 10th Grade
Used 8+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quando uma espécie química sofre oxidação:
atua como agente oxidante
é o agente redutor
o nox diminui
ganha elétrons
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os metais alcalinos combinados com outros elementos têm sempre nox :
+1
-2
0
+2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dizemos que um elemento químico sofreu redução quando há perca de elétrons, fazendo com que seu NOX seja aumentado.
Falso
Verdadeiro
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quando um elemento oxida, necessariamente um outro elemento reduz.
Verdadeiro
Falso
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
É a capacidade que um material apresenta de perder elétrons
Redução
Oxidação
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