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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 cathode in an electrolytic cell is.
Question # 2
Which metal is the best reducing agent.
Question # 3
In electolysis, reduction always occurs at
Question # 4
The more positive the standard reduction potential
Question # 5
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 6
In a galvanic cell, the anode is
Question # 7
In redox reactions, oxidizing agents are
Question # 8
Electroysis is used in the extration of
Question # 9
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 10
The numebr of coulombs required to deposit 1 mole of Ag
Question # 11
If Eo cell is +1.10 V , the reactio is
Question # 12
The process of purifying copper using electricity is called.
Question # 13
Standard electrode potential is measured under
Question # 14
Electroplating involves.
Question # 15
Cell potential is the differecne between
Question # 16
The process of coating a metal with zinc is called.
Question # 17
The oxidation number of sulfur in H2SO4 is
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which species is educed in the followig rection ? Zn + Cu --------- Zn |
A. Cu2+
B. Zn
C. Cu
D. Zn3+
|
| 2 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
| 3 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 4 | Electroysis requires. |
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion
|
| 5 | Electroysis of brine produces. |
A. Hydrogen, oxygen , NaOH
B. Sodium, Chlorine , H2O
C. Hydrogen, Chlorine, NaOH
D. NaOH , Cl2, CO2
|
| 6 | Which element has Eo = 0.00 V? |
A. H+
B. H2
C. SHE
D. All of the above
|
| 7 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 8 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 9 | The oxidation number of sulfur in H2SO4 is |
A. +2
B. +4
C. +6
D. +8
|
| 10 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
Test Questions