Quiz reaksi redoks

Quiz
•
Chemistry
•
10th Grade
•
Hard
siti khayunah
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 sec • 2 pts
Pada gambar menunjukkan reaksi ....
reduksi
oksidasi
hidrolisis
pembentukan
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Harga bilangan oksidasi atom Cr pada senyawa Cr2O72- adalah ……...
+3
+5
+6
+12
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Harga bilangan oksidasi atom P pada senyawa H3PO4 adalah…….
+1
+3
+5
+7
4.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
Harga bilangan oksidasi atom S pada molekul S8 adalah ….
0
-1
-2
+2
5.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Perubahan ion NO32- menjadi N2O merupakan reaksi …..
reduksi karena kenaikan bilangan oksidasi
oksidasi karena mengalami kenaikan bilangan oksidasi
reduksi karena mengalami penurunan bilangan oksidasi
oksidasi karena mengalami penurunan bilangan oksidasi
6.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Perhatikan persamaan reaksi berikut:
Zn + Cu2+ → Zn2+ + Cu
Zat yang berindak sebagai reduktor adalah ….
Zn
Cu2+
Zn2+
Cu
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Fe2O3 dan C
Fe2O3 dan Fe
Fe2O3 dan CO
C dan Fe
C dan CO
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