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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
In electroplating the object to be plated is connected to
Question # 2
Electroyte in electroplating of silver
Question # 3
The process of coating a metal with zinc is called.
Question # 4
In the Hall Heroult process, aluminum is obtained by
Question # 5
Electrochemical sereis helps in predicting.
Question # 6
The activity series of meals arranges metals in order of their.
Question # 7
What is the unit of cell potanetial.
Question # 8
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 9
Which of the followig will react with HCl to librerate H2 gas
Question # 10
Electroysis requires.
Question # 11
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 # 12
The cathode in an electrolytic cell is.
Question # 13
Electrolysis of CuSO4 using copper eletrodes results in
Question # 14
If Eo cell is +1.10 V , the reactio is
Question # 15
Electrons in a galvanic cell flow from
Question # 16
Whcih metal will displace Cu from CuSO4 Solution.
Question # 17
The anode is electrolysis of molten NaCl is
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following is not a use of electrochemistry |
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
|
| 2 | Cell potential is the differecne between |
A. Temperature and pressure
B. Concentration of ions
C. Electrode potentials of chathode and anode
D. Mass of electrodes
|
| 3 | Electroplating involves. |
A. Electrolysis for coating
B. Spontaneous oxidation
C. Redox without electordes
D. Thermolysis
|
| 4 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 5 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 6 | One Faraday is equl to |
A. 1 C
B. 96500 C
C. 1 J
D. 96500 J
|
| 7 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 8 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 9 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 10 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
Test Questions