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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
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 2
Electroysis of brine produces.
Question # 3
A more genative Eo value means the electrode
Question # 4
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 5
Which of the followng elements cannot displace hydrogen from acid.
Question # 6
The cathode in an electrolytic cell is.
Question # 7
In electroplating the object to be plated is connected to
Question # 8
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 9
One Faraday is equl to
Question # 10
The process of coating a metal with zinc is called.
Question # 11
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 12
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 13
The reducing agent in a redox reaction
Question # 14
Which of the followig will react with HCl to librerate H2 gas
Question # 15
In the Hall Heroult process, aluminum is obtained by
Question # 16
Cell potential is the differecne between
Question # 17
Electrolysis is the process of
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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 | Faradya's First Law states tass deposited is diretly proportional tohat m |
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
|
| 2 | The oxidation number of sulfur in H2SO4 is |
A. +2
B. +4
C. +6
D. +8
|
| 3 | The anode is electrolysis of molten NaCl is |
A. Na+
B. Cl-
C. Na
D. H-
|
| 4 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 5 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 6 | 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
|
| 7 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 8 | Which metal is the best reducing agent. |
A. Cu
B. K
C. Zn
D. Fe
|
| 9 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
| 10 | Down cell is used for extractio of. |
A. Zinc
B. Iron
C. Sodium
D. Aluminum
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!