Post - 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
Which of the following is not about chemical cells? // Di antara berikut yang manakah tidak berkaitan dengan sel kimia?
Electrical energy is converted to chemical energy // Tenaga elektrik berubah menjadi tenaga kimia
Chemical energy is converted to electrical energy // Tenaga kimia berubah menjadi tenaga elektrik
Occur in the cell to produce electric current // Berlaku di dalam sel untuk menghasilkan arus elektrik
No need batteries // Tidak memerlukan bateri
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why electrolysis is not occur in this state? // Mengapakah elektrolisis tidak berlaku dalam keadaan tersebut?
There are no electrons present in the solid // Tiada kehadiran elektron dalam pepejal
The electrodes cannot be inserted into a solid // Elektrod tidak boleh dimasukkan dalam pepejal
The ions in the solid compound are not move freely // Ion dalam sebatian pepejal tidak bergerak bebas
The power supply is not function // Sumber kuasa tidak berfungsi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which electrode will act as the cathode? // Elektrod manakah yang bertindak sebagai katod?
Electrode P // Elektrod P
Electrode Q // Elektrod Q
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the correct definition of electrolyte? // Definisi manakah yang benar tentang elektrolit
A study in chemistry of the relationship between electrical and chemical phenomena // Kajian dalam bidang kimia tentang hubung kait antara fenomena elektrik dengan kimia
A source to produce electric current // Sumber untuk menghasilkan arus elektrik
An electric conductor that connected to the battery and enable electric current to enter or leave // Konduktor elektrik yang disambungkan kepada bateri dan membolehkan arus elektrik masuk atau keluar
Substances in the molten or aqueous state which allow electric current to flow through them // Bahan yang dapat mengalirkan arus elektrik dalam keadaan leburan atau akueus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ions are present in molten sodium chloride? // Ion manakah yang terdapat dalam leburan natrium klorida?
Na+, Cl-
Na+, Cl-, H+, OH-
H+, OH-
Na+, OH-
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the names of the ions discharged at the anode and at the cathode in an electrolytic cell using aqueous copper (II) sulfate solution? // Apakah nama ion yang dinyahcas pada anod dan pada katod dalam sel elektrolitik mengunakan larutan akueus kuprum (II) sulfat?
Anode: Sulphate ion
Cathode: Sodium ion //
Anod: Ion sulfat
Katod: Ion natrium
Anode: Sulphate ion
Cathode: Copper (II) ion //
Anod: Ion sulfat
Katod: Ion kuprum (II)
Anode: Hydroxide ion
Cathode: Sodium ion //
Anod: Ion hidroksida
Katod: Ion natrium
Anode: Hydroxide ion
Cathode: Copper (II) ion //
Anod: Ion hidroksida
Katod: Ion kuprum (II)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Figure shows the electroplating of an iron spoon.
Which of the following is suitable to be used as the electrolyte? //
Rajah menunjukkan penyaduran sudu besi.
Di antara berikut, yang manakah sesuai digunakan sebagai elektrolit?
Chromium nitrate // Kromium nitrat
Iron (II) sulphate // Ferum (II) sulfat
Copper (II) sulphate // Kuprum (II) sulfat
Sodium hydroxide // Natrium hidroksida
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