
elektrokimia INTERMEDIATE
Authored by RAMZI Moe
Chemistry, Science
11th - 12th Grade
Used 6+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Manakah antara berikut adalah anion
Ion Ferum (II)
Ion Klorida
Ion Natrium
Ion Ammonium
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam elektrolisis larutan kuprum(II) sulfat (1 moldm-3 ) dengan elektrode kuprum, tindak balas yang berlaku di anod adalah ….
Cu2+ + 2e → Cu
Cu → Cu2+ + 2e
4OH- → 2H2O + O2 + 4e
2H2O → 4H+ + O2 + 4e
H2 → 2H+ + 2e
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sekiranya elektod Argentum digunakan, tentukan setengah persamaan bagi tindak balas yang berlaku pada elektrode X.
Ag→ Ag+ + e
2Cl- → Cl2 + 2e
4OH- → 2H2O + O2 + 4e
Ag+ + e→ Ag
2H2O + 2e → 2OH- + H2
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Berikut ini komponen utama sel elektrolisis, kecuali
larutan elektrolit
Elektrod
Punca kuasa elektrik
Titian garam
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apakah perubahan tenaga yang berlaku dalam sel elektrolisis ?
Tenaga kimia kepada tenaga elekrtik
Tenaga elektrik kepada tenaga kimia
Tenaga elektrik kepada tenaga cahaya
Tenaga kimia kepada tenaga kinetik
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses pengoksidaan berlaku pada .....
katod
anod
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dalam proses penulenan logam, seperti kuprum, emas, perak atau nikel,
Logam TIDAK tulen diletakkan pada ....
anod
katod
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