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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 following is not a use of electrochemistry
Question # 2
Which of the followng elements cannot displace hydrogen from acid.
Question # 3
In a galvanic cell, the anode is
Question # 4
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 5
Which metal is the best reducing agent.
Question # 6
Which of the followig will react with HCl to librerate H2 gas
Question # 7
Down cell is used for extractio of.
Question # 8
Electroplating involves.
Question # 9
Electrons in a galvanic cell flow from
Question # 10
Standard hydrogen electrode is assigned potential of.
Question # 11
The process of purifying copper using electricity is called.
Question # 12
Which component maintains elecrical neutrality in an electronchemical cell
Question # 13
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 14
The experimental determination of Avogadro's numebr through electrolysis typically involves measuring
Question # 15
Which element has Eo = 0.00 V?
Question # 16
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 17
Electrolysis is the process of
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Z Zahra Batool 27 - Jul - 2024 01 Min 47 Sec 12/17
FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | A more genative Eo value means the electrode |
A. Is a stong oxidizing agent
B. Is a strong reducing agent
C. Is neurtal
D. Has high electronegagtivity
|
| 3 | 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
|
| 4 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 5 | Which component maintains elecrical neutrality in an electronchemical cell |
A. Salt bridge
B. Voltmeter
C. Electrolyte
D. Electrodes
|
| 6 | The metal depostied at cathode during electolysis of NaCl is. |
A. Cl2
B. Na
C. H2
D. Cu
|
| 7 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 8 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 9 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 10 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
Test Questions