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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 metal depostied at cathode during electolysis of NaCl is.
Question # 2
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 3
The oxidation number of sulfur in H2SO4 is
Question # 4
If Eo cell is +1.10 V , the reactio is
Question # 5
Standard hydrogen electrode is assigned potential of.
Question # 6
The numebr of coulombs required to deposit 1 mole of Ag
Question # 7
Electrochemical cells convert chemical energy into
Question # 8
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 9
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 10
Electroyte in electroplating of silver
Question # 11
The more positive the standard reduction potential
Question # 12
A salt bridge is usually made from
Question # 13
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 14
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 # 15
The process of coating a metal with zinc is called.
Question # 16
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 17
Which of the followng elements cannot displace hydrogen from acid.
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 -
Z Zara Sajjad 05 - Jan - 2025 01 Min 17 Sec 16/17 -
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 -
S Sheryar Ahmad 06 - Aug - 2024 02 Min 36 Sec 14/17 -
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 | If Eo cell is +1.10 V , the reactio is |
A. Spontaneous
B. Non spontaneous
C. At equibrium
D. Endothermic only
|
| 2 | Which metal is the best reducing agent. |
A. Cu
B. K
C. Zn
D. Fe
|
| 3 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 4 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 5 | If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage. |
A. Decrease slowly
B. Decrease repidly
C. Does not change
D. Drope to zero
|
| 6 | 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
|
| 7 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 8 | 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
|
| 9 | The more positive the standard reduction potential |
A. The stronger the reducing agent
B. The weaker the oxidizing agent
C. The stronger the oxidizing agent
D. No effect
|
| 10 | In redox reactions, oxidizing agents are |
A. reduced
B. Oxidized
C. Always metals
D. Always gases
|
Test Questions
Share your comments & questions here
Nawal NADEEM
21 May 2017Good job!!!