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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 element has Eo = 0.00 V?
Question # 2
Electroysis is used in the extration of
Question # 3
Cell potential is the differecne between
Question # 4
Which component maintains elecrical neutrality in an electronchemical cell
Question # 5
The principle of measuring DO by Wrinkler's Method is based on.
Question # 6
A salt bridge is usually made from
Question # 7
In electroplating the object to be plated is connected to
Question # 8
A more genative Eo value means the electrode
Question # 9
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 10
The numebr of coulombs required to deposit 1 mole of Ag
Question # 11
Redox reactions always involve.
Question # 12
The anode is electrolysis of molten NaCl is
Question # 13
The more positive the standard reduction potential
Question # 14
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 15
The reaction at the cathode is alwyas
Question # 16
Electroyte in electroplating of silver
Question # 17
In a galvanic cell, the anode is
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 2 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 3 | The metal depostied at cathode during electolysis of NaCl is. |
A. Cl2
B. Na
C. H2
D. Cu
|
| 4 | The principle of measuring DO by Wrinkler's Method is based on. |
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
|
| 5 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 6 | Electroplating involves. |
A. Electrolysis for coating
B. Spontaneous oxidation
C. Redox without electordes
D. Thermolysis
|
| 7 | 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
|
| 8 | One Faraday is equl to |
A. 1 C
B. 96500 C
C. 1 J
D. 96500 J
|
| 9 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
| 10 | An Increase in temperature generally |
A. No Effect
B. Increases cell voltage
C. Decreases ell voltage
D. Depends on pressure
|
Test Questions