Post - Electrochemistry

Post - Electrochemistry

12th Grade

10 Qs

quiz-placeholder

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Post - Electrochemistry

Post - 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

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

Media Image

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

Media Image

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

Media Image

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

Media Image

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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