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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 numebr of coulombs required to deposit 1 mole of Ag
Question # 2
In electolysis, reduction always occurs at
Question # 3
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 4
Electrochemical cells convert chemical energy into
Question # 5
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 6
The process of purifying copper using electricity is called.
Question # 7
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 8
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 9
In electroplating the object to be plated is connected to
Question # 10
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 # 11
For a redox reaction to be spontaneous, Delga G should be
Question # 12
The metal depostied at cathode during electolysis of NaCl is.
Question # 13
Which of the following is not a use of electrochemistry
Question # 14
If Eo cell is +1.10 V , the reactio is
Question # 15
Down cell is used for extractio of.
Question # 16
Whcih metal will displace Cu from CuSO4 Solution.
Question # 17
Electroplating involves.
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A salt bridge is usually made from |
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
|
| 2 | What is the unit of cell potanetial. |
A. ampere
B. Volt
C. Ohm
D. Farad
|
| 3 | The more positive the standard reduction potential |
A. The stronger the reducing agent
B. The weaker the oxidizing agent
C. The stronger the oxidizing agent
D. No effect
|
| 4 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 5 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 6 | The principle of measuring DO by Wrinkler's Method is based on. |
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
|
| 7 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 8 | Which of the following metals would most raadily displace hydrogen gas from dilute acids. |
A. Copper
B. Silver
C. Magnesium
D. Platinum
|
| 9 | Down cell is used for extractio of. |
A. Zinc
B. Iron
C. Sodium
D. Aluminum
|
| 10 | Standard electrode potential is measured under |
A. 100 oC and 1 atm
B. 0 oC and 1 M concentration
C. 25 oC and 1 M concentration
D. 100 oC and 1 M concentration
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!