Chapter 7 Electrochemistry Chemistry 9th Class Balochistan 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
Another name for sodium hydroxide is _____.
Question # 3
Salt bridge transfers _____ to two half cells in a galvanic cell.
Question # 4
Fe2O3 + CO → Fe + CO2
In the following equation, oxygen gets _____.
Question # 5
Gain of oxygen atoms by an element is called _____.
Question # 6
In Nelson cell, the cathode used is made up of _____.
Question # 7
Zn → Zn + 2 + 2e−
Which of the following is true about this reaction.
Question # 8
The rusting of iron is catalyzed by which one of the following?
Question # 9
2 ZnO + C → 2 Zn + CO2
Which of the following species is oxidized in this reaction?
Question # 10
Electrolysis of sodium chloride is done in _____.
Question # 11
Which of the following cells is used for the manufacture of NaOH?
Question # 12
In Nelson cell, the cathode used is made up of _____.
Question # 13
A sheet of pure copper is used at _____.
Question # 14
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 # 15
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 16
The desired product in the electrolysis of molten sodium chloride is _____.
Question # 17
Brine is another name for _____.
Question # 18
When water is electrolyzed, gas collected at cathode is _____.
Question # 19
Loss of hydrogen atom by an element is called _____.
Question # 20
An experimental setup is shown in the figure. The figure (b) represents a solution for _____.
Question # 21
During electroplating of chromium on steel, the anode usually used is made up of _____.
Question # 22
Corrosion is an example of _____.
Question # 23
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 # 24
An electrochemical cell is also called _____.
Question # 25
Food cans are coated with tin and not with zinc because _____.
Total Questions
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Question # 1
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 2
Another name for sodium hydroxide is _____.
Question # 3
Salt bridge transfers _____ to two half cells in a galvanic cell.
Question # 4
Fe2O3 + CO → Fe + CO2
In the following equation, oxygen gets _____.
Question # 5
Gain of oxygen atoms by an element is called _____.
Question # 6
In Nelson cell, the cathode used is made up of _____.
Question # 7
Zn → Zn + 2 + 2e−
Which of the following is true about this reaction.
Question # 8
The rusting of iron is catalyzed by which one of the following?
Question # 9
2 ZnO + C → 2 Zn + CO2
Which of the following species is oxidized in this reaction?
Question # 10
Electrolysis of sodium chloride is done in _____.
Question # 11
Which of the following cells is used for the manufacture of NaOH?
Question # 12
In Nelson cell, the cathode used is made up of _____.
Question # 13
A sheet of pure copper is used at _____.
Question # 14
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 # 15
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 16
The desired product in the electrolysis of molten sodium chloride is _____.
Question # 17
Brine is another name for _____.
Question # 18
When water is electrolyzed, gas collected at cathode is _____.
Question # 19
Loss of hydrogen atom by an element is called _____.
Question # 20
An experimental setup is shown in the figure. The figure (b) represents a solution for _____.
Question # 21
During electroplating of chromium on steel, the anode usually used is made up of _____.
Question # 22
Corrosion is an example of _____.
Question # 23
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 # 24
An electrochemical cell is also called _____.
Question # 25
Food cans are coated with tin and not with zinc because _____.
Total Questions
12345678910111213141516171819202122232425
Chemistry MCQ Test by Topics
- +7.1 Oxidation and Reduction
- +7.2 Oxidation State and Rules for Assigning Oxidation Numbers
- +7.3 Oxidizing and Reducing Agents
- +7.4 The Oxidation and Reduction Reactions (Redox Reaction)
- +7.5 The Electrochemical Cells
- +7.6 Electrochemical Industries
- +7.7 Corrosion and its Prevention
- +7.8 The Electroplating Process
Chemistry
9th Class Balochistan MCQ Tests
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Updated on: 01-06-2026
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