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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
In the Hall Heroult process, aluminum is obtained by
Question # 2
The cathode in an electrolytic cell is.
Question # 3
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 4
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 5
Which element has Eo = 0.00 V?
Question # 6
The activity series of meals arranges metals in order of their.
Question # 7
Which of the followng elements cannot displace hydrogen from acid.
Question # 8
The process of purifying copper using electricity is called.
Question # 9
The reaction at the cathode is alwyas
Question # 10
Electrochemical sereis helps in predicting.
Question # 11
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 12
An Increase in temperature generally
Question # 13
Standard hydrogen electrode is assigned potential of.
Question # 14
Which metal is the best reducing agent.
Question # 15
The principle of measuring DO by Wrinkler's Method is based on.
Question # 16
The numebr of coulombs required to deposit 1 mole of Ag
Question # 17
Electroyte in electroplating of silver
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 -
S Saleena Ramzan 25 - Aug - 2024 01 Min 34 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 -
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 followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 2 | In the Hall Heroult process, aluminum is obtained by |
A. Chemical reaction
B. Thermal decomposition
C. Elelctrolysis of alumina
D. Roasting and leaching
|
| 3 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 4 | Which of the following is not a use of electrochemistry |
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
|
| 5 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 6 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
| 7 | Faradya's First Law states tass deposited is diretly proportional tohat m |
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
|
| 8 | 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
|
| 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 | Electroysis requires. |
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion
|
Test Questions