Pre - Electrochemistry

Quiz
•
Science
•
12th Grade
•
Hard
Guru Moe
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"Electric current is flows through an electrolyte to produce a chemical reaction." // "Arus elektrik mengalir melalui elektrolit untuk menghasilkan tindak balas kimia."
The statement above best refers to what definition? // Pernyataan di atas merujuk kepada definisi?
Chemical cell // Sel kimia
Electrolyte // Elektrolit
Electrode // Elektrod
Electrolytic cell // Sel elektrolitik
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which electrode will act as the anode? // Elektrod manakah bertindak sebagai anod?
Electrode P // Elektrod P
Electrode Q // Elektrod Q
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In your opinion, why must the electrolysis of molten lead (II) bromide be carried out in a fume cupboard? // Pada pendapat anda, mengapakah elektrolisis bagi leburan plumbum (II) bromida dilakukan di dalam kebuk wasap?
To prevent the molten salt from solidifying // Untuk mencegah leburan garam daripada menjadi pepejal
To avoid contamination of the electrodes // Untuk mengelakkan kontaminasi elektrod
To prevent toxic bromine gas from spreads // Untuk mencegah gas bromin yang beracun daripada tersebar
To increase the rate of electrolysis // Untuk meningkatkan kadar elektrolisis
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Figure shows the electrolysis of ionic compound in solid state.
In your opinion, why the bulb does not light up? // Rajah menunjukkan elektrolisis sebatian ion dalam keadaan pepejal. Pada pandangan anda, mengapakah mentol tidak menyala?
Electrons are blocked by the beaker // Elektron dihalang oleh bikar
Electrolysis only occur for ionic compound in molten and aqueous state // Elektrolisis hanya berlaku pada sebatian ion dalam keadaan leburan dan akueus
The electrodes are not connected properly // Elektrod tidak disambung dengan baik
The electrodes are made of non-conductive material // Elektrod diperbuat daripada bahan tidak konduktif
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
_____ energy is converted into _____ energy through electrolysis process.
Complete the statement. //
Tenaga _____ berubah menjadi tenaga _____ melalui proses elektrolisis.
Lengkapkan pernyataan itu.
Electrical, chemical // Elektrik, kimia
Chemical, electrical // Kimia, elektrik
Chemical, chemical // Kimia, kimia
Electrical, electrical // Elektrik, elektrik
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an electrolyte? // Di antara berikut, yang manakah elektrolit?
Naphthalene // Naftalena
Solid lead (II) bromide // Pepejal plumbum (II) bromida
Ethanol // Etanol
Molten lead (II) bromide // Leburan plumbum (II) bromida
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is the most electropositive? // Di antara berikut, yang manakah paling elektropositif?
Zinc ion, Zn2+ // Ion zink, Zn2+
Silver ion, Ag+ // Ion argentum, Ag+
Magnesium ion, Mg2+ // Ion magnesium, Mg2+
Aluminium ion, Al3+ // Ion aluminium, Al3+
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