
Evaluasi Perkaratan Logam
Authored by Gede Soenarko
Chemistry
12th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Logam-logam berikut yang paling tahan terhadap korosi adalah ...
Cr
Ni
Zn
Fe
Cu
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Faktor utama dalam proses perkaratan besi adalah ...
Zat asam
Gas oksigen
Ion H+
Besi
udara
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Souvenir dari bahan logam yang paling awet tidak mengalami korosi adalah terbuat dari
Aluminium
Besi
Tembaga
Perak
Paduan logam perunggu
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dalam peristiwa perkaratan besi, gas oksigen bertindak sebagai ...
Anoda
Katoda
Jembatan garam
Elektrolit
Katalis
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Peristiwa perkaratan logam merupakan sel galvani alami karena ...
Menghasilkan potensial sel negatif.
Merupakan reaksi spontan oleh alam
Terdapat kation dan anion.
Terjadi reaksi redoks.
Disebabkan oleh lingkungan.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tingkat kerusakan struktur bangunan akibat perkaratan besi lebih banyak terjadi pada ...
Bagunan daerah rawa
Bagunan daerah kota
Bangunan daerah mangrove
Bangunan daerah gunung
Bangunan daerah hutan
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perhatikan percobaan tentang perkaratan logam besi berikut. Peristiwa perkaratan paling lambat terjadi pada percobaan nomor ...
1
2
3
4
5
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