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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
Electroplating involves.
Question # 2
Which metal is the best reducing agent.
Question # 3
Which of the following is not a use of electrochemistry
Question # 4
For a redox reaction to be spontaneous, Delga G should be
Question # 5
The oxidation number of sulfur in H2SO4 is
Question # 6
The experimental determination of Avogadro's numebr through electrolysis typically involves measuring
Question # 7
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 8
In a galvanic cell, the anode is
Question # 9
The cathode in an electrolytic cell is.
Question # 10
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 11
The principle of measuring DO by Wrinkler's Method is based on.
Question # 12
In electroplating the object to be plated is connected to
Question # 13
Redox reactions always involve.
Question # 14
The process of purifying copper using electricity is called.
Question # 15
The reaction at the cathode is alwyas
Question # 16
Whcih metal will displace Cu from CuSO4 Solution.
Question # 17
Electroyte in electroplating of silver
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S Saleena Ramzan 25 - Aug - 2024 01 Min 34 Sec 17/17 -
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H Habib Ansari 24 - Sep - 2024 02 Min 32 Sec 14/17 -
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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 | 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
|
| 2 | Electroysis of brine produces. |
A. Hydrogen, oxygen , NaOH
B. Sodium, Chlorine , H2O
C. Hydrogen, Chlorine, NaOH
D. NaOH , Cl2, CO2
|
| 3 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
| 4 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 5 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 6 | 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
|
| 7 | 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
|
| 8 | Which metal is the best reducing agent. |
A. Cu
B. K
C. Zn
D. Fe
|
| 9 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 10 | In the Hall Heroult process, aluminum is obtained by |
A. Chemical reaction
B. Thermal decomposition
C. Elelctrolysis of alumina
D. Roasting and leaching
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!