
Dampak dan Perlindungan Korosi

Interactive Video
•
Chemistry, Science
•
7th - 10th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan korosi?
Proses pembentukan logam baru
Kerusakan logam akibat reaksi redoks
Penggabungan logam dengan oksigen
Penghilangan logam dari permukaan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi pada anoda selama proses korosi?
Tidak ada perubahan pada anoda
Besi tereduksi dan mendapatkan elektron
Besi teroksidasi dan kehilangan elektron
Elektron mengalir ke anoda
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Faktor apa yang mempercepat korosi pada besi?
Konsentrasi oksigen rendah
pH netral
Kelembaban tinggi
Suhu rendah
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa dampak dari efek Galvani kopling pada besi?
Tidak mempengaruhi korosi
Menghentikan korosi
Memperlambat korosi
Mempercepat korosi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara mencegah korosi dengan pelapisan?
Meningkatkan suhu lingkungan
Menggunakan lapisan cat atau plastik
Menggunakan logam yang lebih reaktif
Mengurangi kelembaban
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa pelapisan dengan zinc efektif dalam mencegah korosi?
Zinc mengurangi suhu
Zinc meningkatkan kelembaban
Zinc kurang reaktif dan tidak teroksidasi
Zinc lebih reaktif dan melindungi besi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi jika lapisan timah tergores?
Korosi berhenti
Korosi dipercepat
Lapisan timah memperbaiki sendiri
Tidak ada perubahan
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