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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
Electrochemical cells convert chemical energy into
Question # 2
Which metal is the best reducing agent.
Question # 3
One Faraday is equl to
Question # 4
In redox reactions, oxidizing agents are
Question # 5
For a redox reaction to be spontaneous, Delga G should be
Question # 6
Which component maintains elecrical neutrality in an electronchemical cell
Question # 7
The reducing agent in a redox reaction
Question # 8
In electolysis, reduction always occurs at
Question # 9
Whcih metal will displace Cu from CuSO4 Solution.
Question # 10
If Eo cell is +1.10 V , the reactio is
Question # 11
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 12
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.
Question # 13
The cathode in an electrolytic cell is.
Question # 14
Electroyte in electroplating of silver
Question # 15
The metal depostied at cathode during electolysis of NaCl is.
Question # 16
Down cell is used for extractio of.
Question # 17
In electroplating the object to be plated is connected to
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | In a galvanic cell, the anode is |
A. Negaive and site of oxidation
B. Postive and site of oxidation
C. Negative and site of reduction
D. Postive and site of reduction
|
| 2 | 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
|
| 3 | 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
|
| 4 | The process of purifying copper using electricity is called. |
A. Electrolysis
B. Electrplating
C. Electrorefinging
D. Electrogavimetry
|
| 5 | Electroysis requires. |
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion
|
| 6 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 7 | Faradya's First Law states tass deposited is diretly proportional tohat m |
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
|
| 8 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 9 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 10 | Which metal is the best reducing agent. |
A. Cu
B. K
C. Zn
D. Fe
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!