Pre - Electrochemistry

Pre - Electrochemistry

12th Grade

10 Qs

quiz-placeholder

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Pre - Electrochemistry

Pre - Electrochemistry

Assessment

Quiz

Science

12th Grade

Hard

Created by

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

Media Image

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

Media Image

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

Media Image

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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