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MCQ's Test For Chapter 10 "Electrochemistry"
Try The MCQ's Test For Chapter 10 "Electrochemistry"
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Total Questions17
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Time Allowed20
Electrochemistry
00:00
Question # 1
The principle of measuring DO by Wrinkler's Method is based on.
Question # 2
The process of purifying copper using electricity is called.
Question # 3
Electrochemical sereis helps in predicting.
Question # 4
Electrolysis of CuSO4 using copper eletrodes results in
Question # 5
Standard hydrogen electrode is assigned potential of.
Question # 6
In the Hall Heroult process, aluminum is obtained by
Question # 7
One Faraday is equl to
Question # 8
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 9
Which of the followng elements cannot displace hydrogen from acid.
Question # 10
Electrons in a galvanic cell flow from
Question # 11
Which element has Eo = 0.00 V?
Question # 12
What is the unit of cell potanetial.
Question # 13
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 14
Which of the followig will react with HCl to librerate H2 gas
Question # 15
Electroyte in electroplating of silver
Question # 16
A more genative Eo value means the electrode
Question # 17
A Daniell cell produces electricity through
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If Eo cell is +1.10 V , the reactio is |
A. Spontaneous
B. Non spontaneous
C. At equibrium
D. Endothermic only
|
| 2 | A more genative Eo value means the electrode |
A. Is a stong oxidizing agent
B. Is a strong reducing agent
C. Is neurtal
D. Has high electronegagtivity
|
| 3 | The more positive the standard reduction potential |
A. The stronger the reducing agent
B. The weaker the oxidizing agent
C. The stronger the oxidizing agent
D. No effect
|
| 4 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 5 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 6 | The activity series of meals arranges metals in order of their. |
A. Atomic mass
B. Density
C. Ease of oxidation
D. Ease of reduction
|
| 7 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 8 | A Daniell cell produces electricity through |
A. Electrolysis
B. Radioactivity
C. Spontaneous redox reaction
D. Endothermic reaction
|
| 9 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 10 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
Test Questions