Sel Elektrolisiss
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Easy
23104060042 23104060042
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elektrolisis adalah proses perubahan dari...
energi listrik menjadi reaksi kimia
reaksi kimia menjadi energi listrik
energi Listrik menjadi reduksi
reaksi reduksi menjadi energi listrik
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Berikut ini adalah faktor-faktor yang dapat mempercepat terjadinya korosi, kecuali …
Bersinggungan langsung dengan udara
Banyaknya oksigen disekitar logam
Disekitar logam tidak ada oksigen
Banyak terdapat uap asam disekitar logam
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Oksidasi 1 mol ion sianida (CN–) menjadi ion sianat (CNO–) memerlukan muatan listrik sebanyak ….. Faraday
2
4
1
3
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa yang akan terjadi bila dalam reaksi sel elektrolisis, arus listrik putus?
reaksi kimia terbentuk dengan cepat
reaksi kimia akan terjadi dengan waktu yang sangat lama
reaksi kimia akan terbentuk dengan sempurna
reaksi kimia tidak akan terjadi
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Pada elektrolisis larutan CuSO4 dengan elektrode Pt, dialirkan arus listrik 2 Ampere selama 965 detik (Ar Cu=63,5) maka banyaknya logam tembaga yang dihasilkan … mg
317,5
635,0
952,5
1.270
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