BAB 6 ELEKTROKIMIA (IREADY)
Quiz
•
Science
•
9th - 12th Grade
•
Hard
NURULAINISYAK Moe
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 1 menunjukkan proses elektrolisis menggunakan sel elektrolitik yang terdiri daripada beberapa komponen.
Apakah yang akan berlaku jika X gagal berfungsi?
Elektrolit mengalami perubahan kimia
Arus elektrik tidak dihasilkan
Kation bergerak ke anod
Anion bergerak ke katod
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah perubahan tenaga yang berlaku dalam sel elektrolitik?
Tenaga elektrik → Tenaga kimia
Tenaga kimia → Tenaga elektrik
Tenaga haba → Tenaga elektrik
Tenaga elektrik→ Tenaga haba
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 2 menunjukkan tindakbalas kimia dalam sel kimia dengan elektrod logam yang berbeza. Apakah logam P?
Zink
Kuprum
Aluminium
Magnesium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, faktor manakah yang mempengaruhi hasil elektrolisis?
Jisim elektrod
Bilangan sei kering
Isipadu elektrolit
Kedudukan ion dalam siri elektrokimia
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 3 menunjukkan proses penulenan argentum yang tidak berjaya. Apakah perubahan yang perlu dilakukan supaya penulenan argentum berjaya dilakukan?
Menggunakan argentum dengan saiz lebih besar
Menggunakan lebih banyak bateri
Menggunakan larutan argentum nitrat sebagai elektrolit
Meningkatkan kepekatan larutan kuprum (II) klorida
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah anion yang hadir dalam larutan kuprum(II) sulfat?
Ion kuprum(II)
Ion sulfat
Ion hidrogen
Ion oksida
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 4 menunjukkan susunan radas bagi satu sei kimia ringkas. Antara berikut, pasangan logam yang manakah dapat menghasilkan bacaan voltmeter paling tinggi?
A
B
C
D
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