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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
Electrolysis is the process of
Question # 2
In a galvanic cell, the anode is
Question # 3
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 # 4
The more positive the standard reduction potential
Question # 5
Standard hydrogen electrode is assigned potential of.
Question # 6
In redox reactions, oxidizing agents are
Question # 7
Electrochemical equivalent is.
Question # 8
A more genative Eo value means the electrode
Question # 9
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 10
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 11
Which of the following is not a use of electrochemistry
Question # 12
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 13
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 14
The reaction at the cathode is alwyas
Question # 15
Electroyte in electroplating of silver
Question # 16
Electroysis is used in the extration of
Question # 17
Cell potential is the differecne between
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In a galvanic cell, the anode is |
A. Negaive and site of oxidation
B. Postive and site of oxidation
C. Negative and site of reduction
D. Postive and site of reduction
|
| 2 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 3 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 4 | 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
|
| 5 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 6 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 7 | In an electrochecmial cell, which ion migrates to cathode through the salt bridge. |
A. Anions
B. Cations
C. Eletrons
D. Protons
|
| 8 | Standard electrode potential is measured under |
A. 100 oC and 1 atm
B. 0 oC and 1 M concentration
C. 25 oC and 1 M concentration
D. 100 oC and 1 M concentration
|
| 9 | Which of the following is not a use of electrochemistry |
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
|
| 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