Penilaian awal kelas elektrolisis larutan akueus

Quiz
•
Chemistry
•
9th Grade
•
Hard
Nur Izzati
Used 6+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara faktor berikut, yang manakah tidak mempengaruhi elektrolisis larutan akueus?
A. Isi padu elektrolit yang digunakan dalam elektrolisis
B. Jenis elektrod yang digunakan dalam elektrolisis
C. Kepekatan ion dalam elektrolit
D. Kedudukan ion-ion dalam siri elektrokimia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah ion-ion yang hadir dalam larutan kalium sulfat?
A. K , SO4
B. K+, SO42-
C. K+, H+, SO42-
D. K+, H+, SO42-, OH-
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Semasa elektrolisis larutan argentum nitrat menggunakan elektrod karbon, ion-ion yang tertarik ke anod ialah
A. Ion-ion argentum sahaja
B. Ion-ion nitrat sahaja
C. Ion-ion hidrogen dan argentum
D. Ion-ion hidroksida dan nitrat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 1 menunjukkan susunan radas bagi elektrolisis larutan kuprum(II) nitrat?
Keamatan warna biru larutan kuprum(II) nitrat didapati berkurang.
Antara berikut, yang manakah menerangkan pemerhatian ini?
A. Ion OH- dinyahcas di anod
B. Ion H+dinyahcas di katod
C. Ion NO3- dinyahcas di anod
D. Ion Cu2+ dinyahcas di katod
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Plumbum (II) bromida boleh mengalirkan elektrik dalam keadaan
A. Pepejal dan leburan
B. Leburan
C. Pepejal dan larutan akueus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Asid hidroklorik cair boleh mengalirkan elektrik kerana
A. Mengandungi ion-ion
B. Mengandungi ion - ion yang bebas bergerak
C. Mempunyai cas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Semasa elektrolisis, kation akan tertarik ke
A. Elektrod Anod
B. Elektrod Katod
C. Elektrod
D. Terminal bateri
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah faktor yang mempengaruhi elektrolisis larutan akueus?
1
2
3
4
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