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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
Electrons in a galvanic cell flow from
Question # 2
Which of the followng elements cannot displace hydrogen from acid.
Question # 3
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 4
Which element has Eo = 0.00 V?
Question # 5
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 6
The principle of measuring DO by Wrinkler's Method is based on.
Question # 7
The oxidation number of sulfur in H2SO4 is
Question # 8
The process of purifying copper using electricity is called.
Question # 9
Which of the following is not a use of electrochemistry
Question # 10
The cathode in an electrolytic cell is.
Question # 11
The reaction at the cathode is alwyas
Question # 12
Electrochemical equivalent is.
Question # 13
The metal depostied at cathode during electolysis of NaCl is.
Question # 14
The numebr of coulombs required to deposit 1 mole of Ag
Question # 15
The activity series of meals arranges metals in order of their.
Question # 16
The process of coating a metal with zinc is called.
Question # 17
In redox reactions, oxidizing agents are
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | In an electrochecmial cell, which ion migrates to cathode through the salt bridge. |
A. Anions
B. Cations
C. Eletrons
D. Protons
|
| 3 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 4 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
| 5 | The process of purifying copper using electricity is called. |
A. Electrolysis
B. Electrplating
C. Electrorefinging
D. Electrogavimetry
|
| 6 | In redox reactions, oxidizing agents are |
A. reduced
B. Oxidized
C. Always metals
D. Always gases
|
| 7 | The principle of measuring DO by Wrinkler's Method is based on. |
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
|
| 8 | Whcih metal will displace Cu from CuSO4 Solution. |
A. Zn
B. Ag
C. Hg
D. Pb
|
| 9 | Electroyte in electroplating of silver |
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
|
| 10 | For a redox reaction to be spontaneous, Delga G should be |
A. Positive
B. Negative
C. Zero
D. Constant
|
Test Questions