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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 reaction at the cathode is alwyas
Question # 2
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 3
Oxidation numebrof oxygen in H2O
Question # 4
Electrons in a galvanic cell flow from
Question # 5
A Daniell cell produces electricity through
Question # 6
Which of the followng elements cannot displace hydrogen from acid.
Question # 7
The reducing agent in a redox reaction
Question # 8
In redox reactions, oxidizing agents are
Question # 9
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 10
The oxidation number of sulfur in H2SO4 is
Question # 11
Electrochemical cells convert chemical energy into
Question # 12
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 13
Cell potential is the differecne between
Question # 14
Electroyte in electroplating of silver
Question # 15
Redox reactions always involve.
Question # 16
Which of the followig will react with HCl to librerate H2 gas
Question # 17
What is the unit of cell potanetial.
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 -
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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Z Zunaira Habib 14 - Dec - 2024 04 Min 20 Sec 15/17 -
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 -
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 | Electroplating involves. |
A. Electrolysis for coating
B. Spontaneous oxidation
C. Redox without electordes
D. Thermolysis
|
| 2 | Electroyte in electroplating of silver |
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
|
| 3 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 4 | 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
|
| 5 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 6 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 7 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 8 | The reaction at the cathode is alwyas |
A. Oxidation
B. Neutral
C. Reduction
D. Ionization
|
| 9 | Electrolysis of CuSO4 using copper eletrodes results in |
A. Increase in eletolyte concentration
B. Decrease in Cu2+ concentration
C. No change in electrolyte composition
D. Formation of new compound
|
| 10 | In the Hall Heroult process, aluminum is obtained by |
A. Chemical reaction
B. Thermal decomposition
C. Elelctrolysis of alumina
D. Roasting and leaching
|
Test Questions