Elektrokimia
Quiz
•
Chemistry
•
4th - 5th Grade
•
Hard
CHUINH Moe
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sel kimia manakah yang tidak boleh dicas semula?
Sel merkuri
Sel ion litium
Sel nikel-kadmium
Sel akumulator asid -plumbum
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pasangan yang manakah betul tentang sel voltan dan sel elektolisis?
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Rajah menunjukkan satu sel kimia.
Pernyataan manakah benar jika magnesium digantikan dengan argentum?
Keamatan warna biru larutan kuprum(II) sulfat berkurang
Elektron bergerak dari argentum ke kuprum
Argentum menjadi terminal positif
Kuprum menjadi tebal
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Antara berikut, yang manakah sesuai untuk menyadurkan sudu besi dengan argentum?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Ion manakah yang terdapat dalam leburan natrium klorida?
Na+ , Cl-
H + , OH-
Na+ , Cl- , OH-
Na+ , Cl- , H+ , OH-
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Logam yang berbeza diuji menggunakan susunan radas seperti yang ditunjukkan dalam Rajah. Pasangan logam yang manakah menunjukkan bacaan voltan yang paling tinggi.
Kuprum dan argentum
Zink and kuprum
Magnesium dan zink
Magnesium dan argentum
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jadual menunjukkan maklumat bagi tiga sel voltan.
Berapakah beza keupayaan sel voltan yang terdiri daripada elektrod kuprum dan besi?
0.8V
1.0V
1.8V
2.4V
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