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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
In redox reactions, oxidizing agents are
Question # 2
In an electrolysis exprement if a charge 96,500 Coluombs is passed trough a solution, the amount of substance liberated or deposited at the electrode is directly relatd to.
Question # 3
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 4
Electroysis of brine produces.
Question # 5
A more genative Eo value means the electrode
Question # 6
Which of the following is not a use of electrochemistry
Question # 7
Electroysis is used in the extration of
Question # 8
A Daniell cell produces electricity through
Question # 9
The numebr of coulombs required to deposit 1 mole of Ag
Question # 10
The metal depostied at cathode during electolysis of NaCl is.
Question # 11
One Faraday is equl to
Question # 12
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 13
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 14
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 15
Cell potential is the differecne between
Question # 16
The cathode in an electrolytic cell is.
Question # 17
The process of coating a metal with zinc is called.
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | In the Hall Heroult process, aluminum is obtained by |
A. Chemical reaction
B. Thermal decomposition
C. Elelctrolysis of alumina
D. Roasting and leaching
|
| 3 | The metal depostied at cathode during electolysis of NaCl is. |
A. Cl2
B. Na
C. H2
D. Cu
|
| 4 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 5 | Electrolysis of CuSO4 using copper eletrodes results in |
A. Increase in eletolyte concentration
B. Decrease in Cu2+ concentration
C. No change in electrolyte composition
D. Formation of new compound
|
| 6 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 7 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 8 | The experimental determination of Avogadro's numebr through electrolysis typically involves measuring |
A. The current and voltage applied
B. The mass of the substance deposited or liberated by a konown charge
C. The conductivity of the electrolytic solution
D. The temperature changes duirng electrolysis
|
| 9 | Electroyte in electroplating of silver |
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
|
| 10 | One Faraday is equl to |
A. 1 C
B. 96500 C
C. 1 J
D. 96500 J
|
Test Questions
Share your comments & questions here
Nawal NADEEM
21 May 2017Good job!!!