UJIAN TOPIKAL BAB 6 SAINS TINGKATAN 5
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
Shaza Ahmad
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara yang berikut, yang manakah menunjukkan perubahan tenaga yang berlaku semasa proses elektrolisis?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara bahagian yang berikut, yang manakah anod?
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara bahan berikut, yang manakah boleh digunakan sebagai elektrolit dalam proses elektrolisis?
Larutan gula
Serbuk plumbum bromida
Naftalena
Larutan kuprum sulfat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah kation yang hadir dalam suatu proses elektrolisis larutan natrium sulfat?
OH- dan NO3-
OH- dan SO42-
K+ dan H+
Na+ dan H+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara ion yang berikut, yang manakah paling senang untuk dinyahcaskan mengikut siri elektrokimia?
Ion kalium
Ion kuprum (II)
Ion hidrogen
Ion argentum
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan suatu proses elektrolisis yang dijalankan dengan menggunakan leburan plumbum (II) bromida, PbBr2.
Apakah yang dapat diperhatikan?
Mentol menyala
Mentol tidak menyala
Gas klorin terhasil
Logam zink terhasil di katod
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah menunjukkan elektrolisis bagi leburan plumbum (II) bromida.
Apakah yang akan berlaku pada anod?
Logam plumbum berwarna kelabu dan berkilat terhasil.
Pembebasan gas bromin
Pembebasan ion plumbum (II), Pb2+
Tiada perubahan
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