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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
Cell potential is the differecne between
Question # 2
For a redox reaction to be spontaneous, Delga G should be
Question # 3
In electolysis, reduction always occurs at
Question # 4
Electrochemical cells convert chemical energy into
Question # 5
In redox reactions, oxidizing agents are
Question # 6
Electroysis is used in the extration of
Question # 7
The anode is electrolysis of molten NaCl is
Question # 8
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 9
The principle of measuring DO by Wrinkler's Method is based on.
Question # 10
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 11
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 12
Oxidation numebrof oxygen in H2O
Question # 13
The more positive the standard reduction potential
Question # 14
The process of purifying copper using electricity is called.
Question # 15
Electroplating involves.
Question # 16
Which component maintains elecrical neutrality in an electronchemical cell
Question # 17
The reducing agent in a redox reaction
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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 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 2 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
| 3 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 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 | Whcih metal will displace Cu from CuSO4 Solution. |
A. Zn
B. Ag
C. Hg
D. Pb
|
| 6 | Down cell is used for extractio of. |
A. Zinc
B. Iron
C. Sodium
D. Aluminum
|
| 7 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
| 8 | Electrolysis is the process of |
A. Chemical energy into electrical
B. Electrical energy into chemical
C. Heat energy into mechanical
D. Mechanical energy into chemical
|
| 9 | A salt bridge is usually made from |
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
|
| 10 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!