Redoks
Quiz
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Chemistry
•
10th Grade
•
Medium
Isa Alghifari
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan pernyataan berikut
1) reaksi pelepasan hidrogen
2) reaksi penurunan bilangan oksidasi
3)reaksi pembebasan elektron
4)reaksi pengikatan elektron
Dari pernyataan diatas yang merupakan konsep dari reaksi reduksi adalah ....
(2), (4)
(1), (2), (3)
(1), (3)
(3) (4)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CuO + H2 → Cu + H2O
Yang bertindak sebagai Oksidator adalah …
COOH
CuO
H2O
Cu
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi berikut termasuk reaksi oksidasi jika dilihat dari kemampuan menerima atau melepaskan oksigen adalah
2Na2O → 4 Na + O2
2Na2O2 →2 Na2O + O2
2 BaO2 →2 BaO + O2
2K + O2 →2K2O
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan Oksidasi Fe dalam Fe2O3 adalah...
+2
+3
+1
0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bilangan oksidasi N dalam HNO3
+3
+2
+5
-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pada reaksi CuO + H2 ---> Cu + H2O, hasil oksidasi adalah
CuO
H2
Cu
H2O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oksidasi menurut konsep reaksi dengan oksigen adalah
reaksi pengikatan oksigen
reaksi pelepasan oksigen
reaksi pengikatan elektron
reaksi pelepasan elektron
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