Chapter 7 Electrochemistry Chemistry 9th Class Federal 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
In an electrolytic cell, which ion would migrate through HCl solution to the positive electrode?
Question # 2
Corrosion is an example of _____.
Question # 3
Loss of hydrogen atoms by an element is called _____.
Question # 4
Rusting is a special term given to the corrosion of which of the following metal?
Question # 5
Which of the following reactions are involved in rusting of iron?
Question # 6
Which of the following is true about this reaction.
Question # 7
An element whose oxidation number is decreased is said to have _____.
Question # 8
Formation of water, in the presence of an electric spark, results in the _____.
Question # 9
Question # 10
Corrosion of iron can be prevented by applying a coating of which of the following?
Question # 11
Solve
Question # 12
In a dry cell, electrolyte paste consists of _____.
Question # 13
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 14
Salt bridge transfers _____ to two half cells in a galvanic cell.
Question # 15
Electrochemical corrosion can occurs only if:
Question # 16
In preventing corrosion, aluminum acts as a/an _____.
Question # 17
Solve the following given equation:
Question # 18
The desired product in the electrolysis of molten sodium chloride is _____.
Question # 19
The study of the exchange between electrical and chemical energy is called _____.
Question # 20
An electrochemical cell is also called _____.
Question # 21
In electroplating of tin, which element is reduced at cathode?
Question # 22
The porous paper in a dry cell serves which of the following purposes?
Question # 23
Which of the following can be used to reduce a metal oxide during metal extraction?
Question # 24
In Nelson cell, the cathode used is made up of _____.
Question # 25
Brine is another name for _____.
Total Questions
12345678910111213141516171819202122232425
Question # 1
In an electrolytic cell, which ion would migrate through HCl solution to the positive electrode?
Question # 2
Corrosion is an example of _____.
Question # 3
Loss of hydrogen atoms by an element is called _____.
Question # 4
Rusting is a special term given to the corrosion of which of the following metal?
Question # 5
Which of the following reactions are involved in rusting of iron?
Question # 6
Which of the following is true about this reaction.
Question # 7
An element whose oxidation number is decreased is said to have _____.
Question # 8
Formation of water, in the presence of an electric spark, results in the _____.
Question # 9
Question # 10
Corrosion of iron can be prevented by applying a coating of which of the following?
Question # 11
Solve
Question # 12
In a dry cell, electrolyte paste consists of _____.
Question # 13
What is the purpose of porous asbestos lining in the Nelson cell during manufacture of NaOH from brine?
Question # 14
Salt bridge transfers _____ to two half cells in a galvanic cell.
Question # 15
Electrochemical corrosion can occurs only if:
Question # 16
In preventing corrosion, aluminum acts as a/an _____.
Question # 17
Solve the following given equation:
Question # 18
The desired product in the electrolysis of molten sodium chloride is _____.
Question # 19
The study of the exchange between electrical and chemical energy is called _____.
Question # 20
An electrochemical cell is also called _____.
Question # 21
In electroplating of tin, which element is reduced at cathode?
Question # 22
The porous paper in a dry cell serves which of the following purposes?
Question # 23
Which of the following can be used to reduce a metal oxide during metal extraction?
Question # 24
In Nelson cell, the cathode used is made up of _____.
Question # 25
Brine is another name for _____.
Total Questions
12345678910111213141516171819202122232425
Chemistry MCQ Test by Topics
- +7.1 Oxidation and Reduction
- +7.2 Oxidation States and Rules for Assigning Oxidations States
- +7.3 Oxidizing and Reducing Agents
- +7.4 Oxidation Reduction Reactions
- +7.5 Electrochemical Cells
- +7.6 Electrochemical Industries
- +7.7 Corrosion and its Prevention
Chemistry
9th Class Federal MCQ Tests
9th Class Online Classes 2026
Updated on: 02-09-2026
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9th Class 2026 Online
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