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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
Down cell is used for extractio of.
Question # 2
In electolysis, reduction always occurs at
Question # 3
The principle of measuring DO by Wrinkler's Method is based on.
Question # 4
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 5
A Daniell cell produces electricity through
Question # 6
If Eo cell is +1.10 V , the reactio is
Question # 7
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 8
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 9
Oxidation numebrof oxygen in H2O
Question # 10
The numebr of coulombs required to deposit 1 mole of Ag
Question # 11
The experimental determination of Avogadro's numebr through electrolysis typically involves measuring
Question # 12
The metal depostied at cathode during electolysis of NaCl is.
Question # 13
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 14
Electroyte in electroplating of silver
Question # 15
Standard electrode potential is measured under
Question # 16
The activity series of meals arranges metals in order of their.
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 | 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 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
| 3 | The principle of measuring DO by Wrinkler's Method is based on. |
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
|
| 4 | Electroplating involves. |
A. Electrolysis for coating
B. Spontaneous oxidation
C. Redox without electordes
D. Thermolysis
|
| 5 | The activity series of meals arranges metals in order of their. |
A. Atomic mass
B. Density
C. Ease of oxidation
D. Ease of reduction
|
| 6 | For a redox reaction to be spontaneous, Delga G should be |
A. Positive
B. Negative
C. Zero
D. Constant
|
| 7 | If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage. |
A. Decrease slowly
B. Decrease repidly
C. Does not change
D. Drope to zero
|
| 8 | Which component maintains elecrical neutrality in an electronchemical cell |
A. Salt bridge
B. Voltmeter
C. Electrolyte
D. Electrodes
|
| 9 | 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
|
| 10 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!