
Bab 6: Elektrokimia
Authored by TAY Moe
Science
3rd Grade

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara bahagian A, B, C atau D, yang manakah merupakan katod?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapakah pepejal plumbum(II) bromida tidak dapat digunakan sebagai elektrolit dalam proses elektrolisis?
Kerana pepejal itu tidak mempunyai ion.
Kerana pepejal itu tidak mempunyai ion yang bebas bergerak.
Kerana pepejal itu boleh meletup.
Kerana pepejal itu sangat toksik untuk digunakan.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang murid menjalankan satu eksperimen elektrolisis larutan argentum nitrat menggunakan kepingan argentum sebagai elektrod. Apakah yang akan terbentuk pada katod?
Gas nitrogen
Gas hidrogen
Gas oksigen
Enapan argentum
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang akan terbentuk pada katod?
Gas hidrogen
Enapan kuprum
Gas oksigen
Tiada perubahan berlaku
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang akan terhasil pada katod?
Gas hidrogen
Gas oksigen
Enapan kuprum
Tiada perubahan berlaku
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara aplikasi elektrolisis berikut, yang manakah dapat digunakan untuk merawat sisa air?
Pengekstrakan logam
Penulenan logam
Penyaduran logam
Elektro-penggumpalan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah K dan L?
K: Anod
L: Katod
K: Katod
L: Anod
K:Anod
L: Elektrolit
K: Elektrolit
L: Anod
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