
BAB 6 T5 : ELEKTROKIMIA
Authored by SYAHIDA KPM-Guru
Science
12th Grade
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[KELANTAN 2023 S34] Elektro-penggumpalan adalah satu teknik yang inovatif untuk merawat air sisa yang mengaplikasikan proses elektrolisis dan penggumpalan. Bagaimanakah proses penggumpalan ini berlaku?
Ion hidrogen dinyahcas untuk membentuk gas hidrogen
Elektrod aluminium mengion dalam elektrolit menghasilkan ion aluminium
Ion aluminium dan bahan pencemar dalam air sisa terperangkap dalam gelembung gas hidrogen
Ion aluminium, ion hidroksida dan bahan pencemar dalam air sisa bergabung menghasilkan flok
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[KEDAH 2023 S33] Rajah 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
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[KEDAH 2023 S 34] Rajah 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
[MODUL KENYALANG CEMERLANG 4.0 SET 1, S33] Rajah 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
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[MODUL KENYALANG CEMERLANG 4.0 SET 1, S34] Rajah menunjukkan satu sel kimia. Apakah perubahan tenaga yang berlaku?
Tenaga elektrik → Tenaga kimia
Tenaga haba → Tenaga kimia
Tenaga kimia → Tenaga haba
Tenaga kimia → Tenaga elektrik
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[MODUL KENYALANG CEMERLANG 4.0 SET 2, S33] Rajah menunjukkan elektrolisis larutan magnesium nitrat menggunakan elektrod karbon. Apakah ion yang terpilih untuk dinyahcas pada anod dan katod?
Anod : Ion hidroksida
Katod : Ion magnesium
Anod : Ion hidroksida
Katod : Ion hidrogen
Anod : Ion magnesium
Katod : Ion hidroksida
Anod : Ion nitrat
Katod : Ion magnesium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
[MODUL KENYALANG CEMERLANG 4.0 SET 2, S34] Rajah menunjukkan satu sel kimia ringkas. Jika jarum voltmeter tidak terpesong, apakah X?
Zink
Aluminium
Magnesium
Kuprum
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