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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
The activity series of meals arranges metals in order of their.
Question # 2
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 3
Which of the following is not a use of electrochemistry
Question # 4
The reducing agent in a redox reaction
Question # 5
A Daniell cell produces electricity through
Question # 6
The cathode in an electrolytic cell is.
Question # 7
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 8
Cell potential is the differecne between
Question # 9
A salt bridge is usually made from
Question # 10
A more genative Eo value means the electrode
Question # 11
In redox reactions, oxidizing agents are
Question # 12
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 13
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 14
The process of purifying copper using electricity is called.
Question # 15
The more positive the standard reduction potential
Question # 16
In the Hall Heroult process, aluminum is obtained by
Question # 17
Standard electrode potential is measured under
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Electroyte in electroplating of silver |
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
|
| 2 | Which species is educed in the followig rection ? Zn + Cu --------- Zn |
A. Cu2+
B. Zn
C. Cu
D. Zn3+
|
| 3 | Which component maintains elecrical neutrality in an electronchemical cell |
A. Salt bridge
B. Voltmeter
C. Electrolyte
D. Electrodes
|
| 4 | The anode is electrolysis of molten NaCl is |
A. Na+
B. Cl-
C. Na
D. H-
|
| 5 | 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
|
| 6 | In an electrolysis exprement if a charge 96,500 Coluombs is passed trough a solution, the amount of substance liberated or deposited at the electrode is directly relatd to. |
A. Mass numebr of the ion
B. One mole of electrons being transferred
C. Avogadro's nmber of ions being discharged
D. Standrd electrode potentil of the metal iion
|
| 7 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 8 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 9 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 10 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!