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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
Which component maintains elecrical neutrality in an electronchemical cell
Question # 2
Which of the following is not a use of electrochemistry
Question # 3
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 4
The activity series of meals arranges metals in order of their.
Question # 5
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 6
Which metal is the best reducing agent.
Question # 7
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 8
Electroysis of brine produces.
Question # 9
Redox reactions always involve.
Question # 10
The numebr of coulombs required to deposit 1 mole of Ag
Question # 11
Which of the followig will react with HCl to librerate H2 gas
Question # 12
Down cell is used for extractio of.
Question # 13
Electrons in a galvanic cell flow from
Question # 14
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 15
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 16
Standard electrode potential is measured under
Question # 17
Electroplating involves.
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 -
Z Zara Sajjad 05 - Jan - 2025 01 Min 17 Sec 16/17 -
C Chemistry world 26 - Sep - 2024 02 Min 27 Sec 16/17 -
W Waseem Abbas 27 - Sep - 2024 01 Min 58 Sec 15/17 -
Z Zunaira Habib 14 - Dec - 2024 04 Min 20 Sec 15/17 -
M Manal Babar 03 - Oct - 2025 46 Min 30 Sec 15/17 -
S Subhan Faiz 08 - Dec - 2024 02 Min 07 Sec 14/17 -
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 | For a redox reaction to be spontaneous, Delga G should be |
A. Positive
B. Negative
C. Zero
D. Constant
|
| 2 | The metal depostied at cathode during electolysis of NaCl is. |
A. Cl2
B. Na
C. H2
D. Cu
|
| 3 | Which component maintains elecrical neutrality in an electronchemical cell |
A. Salt bridge
B. Voltmeter
C. Electrolyte
D. Electrodes
|
| 4 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 5 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 6 | 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
|
| 7 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 8 | The oxidation number of sulfur in H2SO4 is |
A. +2
B. +4
C. +6
D. +8
|
| 9 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 10 | Down cell is used for extractio of. |
A. Zinc
B. Iron
C. Sodium
D. Aluminum
|
Test Questions