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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
Oxidation numebrof oxygen in H2O
Question # 2
In the Hall Heroult process, aluminum is obtained by
Question # 3
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 4
Standard electrode potential is measured under
Question # 5
In redox reactions, oxidizing agents are
Question # 6
The activity series of meals arranges metals in order of their.
Question # 7
The more positive the standard reduction potential
Question # 8
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 9
Which of the followig will react with HCl to librerate H2 gas
Question # 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.
Question # 11
Redox reactions always involve.
Question # 12
The metal depostied at cathode during electolysis of NaCl is.
Question # 13
The process of purifying copper using electricity is called.
Question # 14
The cathode in an electrolytic cell is.
Question # 15
Which component maintains elecrical neutrality in an electronchemical cell
Question # 16
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 17
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Top Scorers Of Chapter 10 "Electrochemistry" MCQ`s Test
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Z Zaima Rahim 25 - Sep - 2024 01 Min 24 Sec 17/17 -
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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 -
S Sheryar Ahmad 06 - Aug - 2024 02 Min 36 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 | In electolysis, reduction always occurs at |
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte
|
| 2 | Electroysis of brine produces. |
A. Hydrogen, oxygen , NaOH
B. Sodium, Chlorine , H2O
C. Hydrogen, Chlorine, NaOH
D. NaOH , Cl2, CO2
|
| 3 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 4 | In an electrochecmial cell, which ion migrates to cathode through the salt bridge. |
A. Anions
B. Cations
C. Eletrons
D. Protons
|
| 5 | Electroplating involves. |
A. Electrolysis for coating
B. Spontaneous oxidation
C. Redox without electordes
D. Thermolysis
|
| 6 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 7 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 8 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 9 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 10 | The activity series of meals arranges metals in order of their. |
A. Atomic mass
B. Density
C. Ease of oxidation
D. Ease of reduction
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!