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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
What is the unit of cell potanetial.
Question # 2
In a galvanic cell, the anode is
Question # 3
The process of coating a metal with zinc is called.
Question # 4
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 5
Cell potential is the differecne between
Question # 6
Electrolysis is the process of
Question # 7
Standard electrode potential is measured under
Question # 8
The principle of measuring DO by Wrinkler's Method is based on.
Question # 9
Electrochemical sereis helps in predicting.
Question # 10
Oxidation numebrof oxygen in H2O
Question # 11
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 12
A salt bridge is usually made from
Question # 13
In electroplating the object to be plated is connected to
Question # 14
The more positive the standard reduction potential
Question # 15
A Daniell cell produces electricity through
Question # 16
A more genative Eo value means the electrode
Question # 17
Electroysis is used in the extration of
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M Muhammad Saeed 24 - Sep - 2024 03 Min 27 Sec 12/17
FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The process of purifying copper using electricity is called. |
A. Electrolysis
B. Electrplating
C. Electrorefinging
D. Electrogavimetry
|
| 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 | 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
|
| 4 | The reaction at the cathode is alwyas |
A. Oxidation
B. Neutral
C. Reduction
D. Ionization
|
| 5 | Electrolysis is the process of |
A. Chemical energy into electrical
B. Electrical energy into chemical
C. Heat energy into mechanical
D. Mechanical energy into chemical
|
| 6 | Standard electrode potential is measured under |
A. 100 oC and 1 atm
B. 0 oC and 1 M concentration
C. 25 oC and 1 M concentration
D. 100 oC and 1 M concentration
|
| 7 | In a galvanic cell, the anode is |
A. Negaive and site of oxidation
B. Postive and site of oxidation
C. Negative and site of reduction
D. Postive and site of reduction
|
| 8 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 9 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 10 | Which element has Eo = 0.00 V? |
A. H+
B. H2
C. SHE
D. All of the above
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!