PELANGI Redoks
Quiz
•
Chemistry
•
University
•
Practice Problem
•
Medium
Azizah Nora Saragih
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reduksi adalah proses...
Pelepasan elektron
Penerimaan elektron
Penambahan oksigen
Pengurangan oksigen
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Reaksi apakah yang terjadi dalam proses fotosintesis......
Oksidasi
reduksi
ionisasi
netralisasi
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Proses oksidasi adalah...
Pelepasan elektron
Penerimaan elektron
Penambahan hidrogen
Penurunan bilangan oksidasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bilangan oksidasi atom oksigen dalam H₂O₂ adalah..
-1
-2
0
+1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam reaksi: Zn + Cu²⁺ → Zn²⁺ + Cu, zat yang mengalami reduksi adalah...
Zn
Cu
Cu²⁺
Zn²⁺
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaksi redoks yang terjadi dalam baterai kendaraan merupakan contoh penerapan reaksi redoks dalam kehidupan sehari-hari. Manakah dari pernyataan berikut yang benar mengenai reaksi redoks dalam baterai?
Energi listrik diubah menjadi energi kimia
Energi kimia diubah menjadi energi listrik
Terjadi perpindahan proton dari anoda ke katoda
Reaksi redoks hanya terjadi saat baterai sedang diisi ulang
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Karat pada besi merupakan fenomena yang sering kita amati. Proses perkaratan besi melibatkan reaksi redoks. Manakah zat yang bertindak sebagai oksidator dalam proses perkaratan besi?
Besi (Fe)
Oksigen (O₂)
Air (H₂O)
Karat (Fe₂O₃·xH₂O)
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