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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 anode is electrolysis of molten NaCl is
Question # 2
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 3
Electroysis requires.
Question # 4
The more positive the standard reduction potential
Question # 5
The oxidation number of sulfur in H2SO4 is
Question # 6
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 7
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 8
In the Hall Heroult process, aluminum is obtained by
Question # 9
The principle of measuring DO by Wrinkler's Method is based on.
Question # 10
What is the unit of cell potanetial.
Question # 11
Electroysis of brine produces.
Question # 12
The experimental determination of Avogadro's numebr through electrolysis typically involves measuring
Question # 13
Electrochemical equivalent is.
Question # 14
The reaction at the cathode is alwyas
Question # 15
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 16
Electroysis is used in the extration of
Question # 17
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
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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M Manal Babar 03 - Oct - 2025 46 Min 30 Sec 15/17 -
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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 -
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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 | In redox reactions, oxidizing agents are |
A. reduced
B. Oxidized
C. Always metals
D. Always gases
|
| 2 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 3 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 4 | If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have |
A. CuSO4 Solution
B. Zn SO4 Solution
C. Cu Ions
D. Zn Solid
|
| 5 | The oxidation number of sulfur in H2SO4 is |
A. +2
B. +4
C. +6
D. +8
|
| 6 | Faradya's First Law states tass deposited is diretly proportional tohat m |
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
|
| 7 | 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
|
| 8 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 9 | In electolysis, reduction always occurs at |
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte
|
| 10 | 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. |
A. Mass numebr of the ion
B. One mole of electrons being transferred
C. Avogadro's nmber of ions being discharged
D. Standrd electrode potentil of the metal iion
|
Test Questions