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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
Electroyte in electroplating of silver
Question # 2
Cell potential is the differecne between
Question # 3
In electroplating the object to be plated is connected to
Question # 4
The process of purifying copper using electricity is called.
Question # 5
The reducing agent in a redox reaction
Question # 6
The metal depostied at cathode during electolysis of NaCl is.
Question # 7
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 8
An Increase in temperature generally
Question # 9
Oxidation numebrof oxygen in H2O
Question # 10
Electroysis is used in the extration of
Question # 11
Which metal is the best reducing agent.
Question # 12
The activity series of meals arranges metals in order of their.
Question # 13
A Daniell cell produces electricity through
Question # 14
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 15
What is the unit of cell potanetial.
Question # 16
Which component maintains elecrical neutrality in an electronchemical cell
Question # 17
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Top Scorers Of Chapter 10 "Electrochemistry" MCQ`s Test
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Z zia khan 12 - Sep - 2024 00 Min 11 Sec 17/17 -
Z Zaima Rahim 25 - Sep - 2024 01 Min 24 Sec 17/17 -
S Saleena Ramzan 25 - Aug - 2024 01 Min 34 Sec 17/17 -
M Minahil 25 - Aug - 2024 00 Min 11 Sec 16/17 -
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C Chemistry world 26 - Sep - 2024 02 Min 27 Sec 16/17 -
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Z Zunaira Habib 14 - Dec - 2024 04 Min 20 Sec 15/17 -
M Manal Babar 03 - Oct - 2025 46 Min 30 Sec 15/17 -
S Subhan Faiz 08 - Dec - 2024 02 Min 07 Sec 14/17 -
H Habib Ansari 24 - Sep - 2024 02 Min 32 Sec 14/17 -
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A Abdul shakoor Shykh 05 - Sep - 2024 05 Min 47 Sec 14/17 -
M Mian Babar 14 - Aug - 2024 12 Min 01 Sec 13/17 -
Z Zahra Batool 27 - Jul - 2024 01 Min 47 Sec 12/17
FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
| 3 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 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 | A salt bridge is usually made from |
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
|
| 6 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 7 | In redox reactions, oxidizing agents are |
A. reduced
B. Oxidized
C. Always metals
D. Always gases
|
| 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 | 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
|
| 10 | A positive value for the standared electrode potential of a metal ion metal half cell indicate that |
A. The metal is stong reducing agent
B. The metal ion is redily oxidized
C. The metal ion is redily reduced
D. The metal will readily displace hydrogen from dilute acids.
|
Test Questions