
REAKSI OKSIDASI DAN REDUKSI

Quiz
•
Chemistry
•
10th Grade
•
Hard
Marliana Muttar
Used 4+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Pernyataan berikut yang benar berkaitan dengan reaksi reduksi adalah
....
Reaksi melepaskan elektron
Reaksi menerima proton
Reaksi pelepasan oksigen
Reaksi penggabungan oksigen
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Apabila suatu unsur melepas elektron, maka ....
Bilangan oksidasinya akan turun
Unsur tersebut mengalami reduksi
Unsur tersebut mengalami oksidasi
Reaktivitasnya akan menurun
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Salah satu contoh dari reaksi reduksi adalah ....
Pernapasan
Karat besi
Fotosintesis
Perubahan warna cokelat pada irisan buah apel ketika dibiarkan di udara
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan reaksi-reaksi berikut ini:
(1) C (s) + O2(g) → CO2(g)
(2) MgO (s) → Mg (s) + ½O2(g)
(3) 2S (s) + 3O2(g) → SO3(g)
(4) H2O(l) → H2(g) + ½ O2(g)
Di antara reaksi-reaksi di atas yang merupakan reaksi reduksi adalah….
(1) dan (2)
(2) dan (3)
(1) dan (3)
(2) dan (4)
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Reaksi berikut termasuk reaksi oksidasi jika dilihat dari kemampuan menerima atau melepaskan oksigen adalah...
2Na2O → 4 Na + O2
2 BaO2 →2 BaO + O2
2K + O2 →2K2O
Cu2O + H2→2 Cu + H2O
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