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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 oxidation number of sulfur in H2SO4 is
Question # 2
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 3
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 4
Electroplating involves.
Question # 5
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 6
Electrolysis of CuSO4 using copper eletrodes results in
Question # 7
Redox reactions always involve.
Question # 8
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 9
Standard electrode potential is measured under
Question # 10
In a galvanic cell, the anode is
Question # 11
Cell potential is the differecne between
Question # 12
The activity series of meals arranges metals in order of their.
Question # 13
In redox reactions, oxidizing agents are
Question # 14
Whcih metal will displace Cu from CuSO4 Solution.
Question # 15
Standard hydrogen electrode is assigned potential of.
Question # 16
The process of purifying copper using electricity is called.
Question # 17
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Electroysis requires. |
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion
|
| 2 | Down cell is used for extractio of. |
A. Zinc
B. Iron
C. Sodium
D. Aluminum
|
| 3 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 4 | If Eo cell is +1.10 V , the reactio is |
A. Spontaneous
B. Non spontaneous
C. At equibrium
D. Endothermic only
|
| 5 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 6 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
| 7 | Which species is educed in the followig rection ? Zn + Cu --------- Zn |
A. Cu2+
B. Zn
C. Cu
D. Zn3+
|
| 8 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 9 | Which of the following changes wold typically lead to an incresse in he rate of electrolysis. |
A. Decreasing ghe concentration of the electrolyte
B. Incressing the distance between the electrodes
C. Decressing the surface area of the electrolytic cell
D. Increasing the current passed though the electroytic cell
|
| 10 | One Faraday is equl to |
A. 1 C
B. 96500 C
C. 1 J
D. 96500 J
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!