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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 of the followng elements cannot displace hydrogen from acid.
Question # 2
Electrons in a galvanic cell flow from
Question # 3
Electroyte in electroplating of silver
Question # 4
Electrochemical equivalent is.
Question # 5
Electrolysis of CuSO4 using copper eletrodes results in
Question # 6
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 7
Standard hydrogen electrode is assigned potential of.
Question # 8
The process of coating a metal with zinc is called.
Question # 9
A Daniell cell produces electricity through
Question # 10
Which of the following is not a use of electrochemistry
Question # 11
An Increase in temperature generally
Question # 12
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 13
The metal depostied at cathode during electolysis of NaCl is.
Question # 14
Electroplating involves.
Question # 15
The process of purifying copper using electricity is called.
Question # 16
Which element has Eo = 0.00 V?
Question # 17
Electrolysis is the process of
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Electrochemical equivalent is. |
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
|
| 2 | 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
|
| 3 | The activity series of meals arranges metals in order of their. |
A. Atomic mass
B. Density
C. Ease of oxidation
D. Ease of reduction
|
| 4 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 5 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 6 | Which metal is the best reducing agent. |
A. Cu
B. K
C. Zn
D. Fe
|
| 7 | Which element has Eo = 0.00 V? |
A. H+
B. H2
C. SHE
D. All of the above
|
| 8 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 9 | The oxidation number of sulfur in H2SO4 is |
A. +2
B. +4
C. +6
D. +8
|
| 10 | The anode is electrolysis of molten NaCl is |
A. Na+
B. Cl-
C. Na
D. H-
|
Test Questions