
Preetest
Authored by Siti Solihah
Chemistry
12th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Reaksi redoks adalah reaksi kimia yang melibatkan...
A. pemutusan ikatan kovalen
B. perpindahan energi panas
C. perpindahan elektron
D. perubahan volume gas
E. perubahan warna larutan
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Dalam reaksi redoks, zat yang mengalami oksidasi adalah...
A. zat yang melepaskan elektron
B. zat yang menerima proton
C. zat yang menambah oksigen
D. zat yang mengikat air
E. zat yang menurunkan bilangan oksidasi
3.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Baterai atau aki mobil bekerja berdasarkan prinsip...
A. elektrolisis
B. pembakaran sempurna
C. reaksi endergonik
D. reaksi redoks spontan
E. reaksi netralisasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Apa yang dimaksud dengan anoda dalam sel volta?
A. Elektroda negatif tempat reduksi berlangsung
B. Elektroda positif tempat oksidasi berlangsung
C. Elektroda negatif tempat oksidasi berlangsung
D. Elektroda positif tempat reduksi berlangsung
E. Elektroda tempat elektron mengalir masuk
5.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Manakah pasangan logam yang dapat digunakan dalam sel volta?
A. Zn dan Cu
B. Na dan H
C. Ag dan Cl
D. Fe dan H₂O
E. C dan O₂
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