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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
Electrochemical sereis helps in predicting.
Question # 2
Which of the followng elements cannot displace hydrogen from acid.
Question # 3
Electroysis of brine produces.
Question # 4
A salt bridge is usually made from
Question # 5
One Faraday is equl to
Question # 6
The numebr of coulombs required to deposit 1 mole of Ag
Question # 7
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 # 8
In a galvanic cell, the anode is
Question # 9
In the Hall Heroult process, aluminum is obtained by
Question # 10
A more genative Eo value means the electrode
Question # 11
Standard electrode potential is measured under
Question # 12
If Eo cell is +1.10 V , the reactio is
Question # 13
Redox reactions always involve.
Question # 14
For a redox reaction to be spontaneous, Delga G should be
Question # 15
Electrolysis of CuSO4 using copper eletrodes results in
Question # 16
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 17
The anode is electrolysis of molten NaCl is
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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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | 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
|
| 3 | In the Hall Heroult process, aluminum is obtained by |
A. Chemical reaction
B. Thermal decomposition
C. Elelctrolysis of alumina
D. Roasting and leaching
|
| 4 | Electroysis requires. |
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion
|
| 5 | A more genative Eo value means the electrode |
A. Is a stong oxidizing agent
B. Is a strong reducing agent
C. Is neurtal
D. Has high electronegagtivity
|
| 6 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 7 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 8 | The reaction at the cathode is alwyas |
A. Oxidation
B. Neutral
C. Reduction
D. Ionization
|
| 9 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
| 10 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
Test Questions