Chapter 7 Electrochemistry Chemistry 9th Class Kpk MCQ Tests
9th Class Chemistry Chapter 7 MCQ Tests
Chapter 7 of 9th Class Chemistry has 25 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 25
Total Marks: 25
Time: 25 Mins
Total Questions: 25
Total Marks: 25
Time: 25 Mins
25Min : 00 Sec Remaining
Question # 1
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 2
Food cans are coated with tin and not with zinc because _____.
Question # 3
Corrosion is an example of _____.
Question # 4
The rusting of iron is catalyzed by which one of the following?
Question # 5
Which of the following cells is used for the manufacture of NaOH?
Question # 6
Salt bridge transfers _____ to two half cells in a galvanic cell.
Question # 7
Another name for sodium hydroxide is _____.
Question # 8
When water is electrolyzed, gas collected at cathode is _____.
Question # 9
An electrochemical cell is also called _____.
Question # 10
Sodium metal is extracted from its ore using the Down\'s cell. In what two ways the products can be prevented from recombining after they have been formed by electrolysis?
Question # 11
Fe2O3 + CO → Fe + CO2
In the following equation, oxygen gets _____.
Question # 12
Which of the following statements is/are true for all voltaic/galvanic cells?
(I) Reduction occurs at the cathode.
(II) The anode gains mass during discharge.
(III) The voltage is less than or equal to zero.
Question # 13
A sheet of pure copper is used at _____.
Question # 14
In Nelson cell, the cathode used is made up of _____.
Question # 15
Electrolysis of sodium chloride is done in _____.
Question # 16
Gain of oxygen atoms by an element is called _____.
Question # 17
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 18
Brine is another name for _____.
Question # 19
Loss of hydrogen atom by an element is called _____.
Question # 20
In Nelson cell, the cathode used is made up of _____.
Question # 21
The desired product in the electrolysis of molten sodium chloride is _____.
Question # 22
2 ZnO + C → 2 Zn + CO2
Which of the following species is oxidized in this reaction?
Question # 23
During electroplating of chromium on steel, the anode usually used is made up of _____.
Question # 24
An experimental setup is shown in the figure. The figure (b) represents a solution for _____.
Question # 25
Zn → Zn + 2 + 2e−
Which of the following is true about this reaction.
Total Questions
12345678910111213141516171819202122232425
Question # 1
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 2
Food cans are coated with tin and not with zinc because _____.
Question # 3
Corrosion is an example of _____.
Question # 4
The rusting of iron is catalyzed by which one of the following?
Question # 5
Which of the following cells is used for the manufacture of NaOH?
Question # 6
Salt bridge transfers _____ to two half cells in a galvanic cell.
Question # 7
Another name for sodium hydroxide is _____.
Question # 8
When water is electrolyzed, gas collected at cathode is _____.
Question # 9
An electrochemical cell is also called _____.
Question # 10
Sodium metal is extracted from its ore using the Down\'s cell. In what two ways the products can be prevented from recombining after they have been formed by electrolysis?
Question # 11
Fe2O3 + CO → Fe + CO2
In the following equation, oxygen gets _____.
Question # 12
Which of the following statements is/are true for all voltaic/galvanic cells?
(I) Reduction occurs at the cathode.
(II) The anode gains mass during discharge.
(III) The voltage is less than or equal to zero.
Question # 13
A sheet of pure copper is used at _____.
Question # 14
In Nelson cell, the cathode used is made up of _____.
Question # 15
Electrolysis of sodium chloride is done in _____.
Question # 16
Gain of oxygen atoms by an element is called _____.
Question # 17
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 18
Brine is another name for _____.
Question # 19
Loss of hydrogen atom by an element is called _____.
Question # 20
In Nelson cell, the cathode used is made up of _____.
Question # 21
The desired product in the electrolysis of molten sodium chloride is _____.
Question # 22
2 ZnO + C → 2 Zn + CO2
Which of the following species is oxidized in this reaction?
Question # 23
During electroplating of chromium on steel, the anode usually used is made up of _____.
Question # 24
An experimental setup is shown in the figure. The figure (b) represents a solution for _____.
Question # 25
Zn → Zn + 2 + 2e−
Which of the following is true about this reaction.
Total Questions
12345678910111213141516171819202122232425
Chemistry MCQ Test by Topics
- +7.1 Oxidation and Reduction
- +7.2 Oxidation States and Rules for Assigning Oxidation States
- +7.3 Oxidizing and Reducing Agents
- +7.4 Oxidation Reduction Reactions
- +7.5 Electrochemical Cell
- +7.6 Electrochemical Industries
- +7.7 Corrosion and its Prevention
Chemistry
9th Class Kpk MCQ Tests
9th Class Online Classes 2026
Updated on: 28-05-2026
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