
REDOKS DAN ELEKTROKIMIA YFK

Flashcard
•
Chemistry
•
12th Grade
•
Hard
Yosefina Fin Key
FREE Resource
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20 questions
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1.
FLASHCARD QUESTION
Front
Bahan yang digunakan sebagai elektrode pada sel aki (accu) adalah …
Back
Pb dan PbO2
2.
FLASHCARD QUESTION
Front
Logam yang tidak diperoleh dengan proses elektrolisis adalah: Natrium, Aluminium, Magnesium, Kalsium, Merkuri
Back
Merkuri
3.
FLASHCARD QUESTION
Front
Logam yang dapat mencegah korosi pada bumper mobil adalah …
Options: Kromium, Timbal, Timah, Magnesium, Nikel
Back
Kromium
4.
FLASHCARD QUESTION
Front
Faktor-faktor yang dapat mempercepat terjadinya korosi, kecuali …
- Banyaknya uap air disekitar logam
- Bersinggungan langsung dengan udara
- Banyaknya oksigen disekitar logam
- Banyak terdapat uap asam disekitar logam
- Disekitar logam tidak ada oksigen
Back
Disekitar logam tidak ada oksigen
5.
FLASHCARD QUESTION
Front
Selama aki itu bekerja, akan terjadi perubahan-perubahan …
Back
Pb dan PbO2 berubah menjadi PbSO4
6.
FLASHCARD QUESTION
Front
Logam yang dapat mencegah korosi pipa besi yang ditanam didalam tanah adalah …
Options: Tembaga, Timbal, Timah, Magnesium, Nikel
Back
Magnesium
7.
FLASHCARD QUESTION
Front
Data potensial reduksi:
Pada suatu sel volta berlangsung reaksi 2 Cr + 3 NiCl2 → 3 Ni + 2 CrCl3 Potensial sel (EO) reaksi tersebut adalah…Volt Options: +0,96, +0,67, +0,46, -0,46, -0,96
Back
+0,46
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