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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 more positive the standard reduction potential
Question # 2
Oxidation numebrof oxygen in H2O
Question # 3
Which metal is the best reducing agent.
Question # 4
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 5
The principle of measuring DO by Wrinkler's Method is based on.
Question # 6
What is the unit of cell potanetial.
Question # 7
In redox reactions, oxidizing agents are
Question # 8
Which component maintains elecrical neutrality in an electronchemical cell
Question # 9
A Daniell cell produces electricity through
Question # 10
The reaction at the cathode is alwyas
Question # 11
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 12
Which element has Eo = 0.00 V?
Question # 13
Which of the following is not a use of electrochemistry
Question # 14
A more genative Eo value means the electrode
Question # 15
In electroplating the object to be plated is connected to
Question # 16
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 17
Electrochemical cells convert chemical energy into
Top Scorers Of Chapter 10 "Electrochemistry" MCQ`s Test
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Z Zaima Rahim 25 - Sep - 2024 01 Min 24 Sec 17/17 -
S Saleena Ramzan 25 - Aug - 2024 01 Min 34 Sec 17/17 -
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C Chemistry world 26 - Sep - 2024 02 Min 27 Sec 16/17 -
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H Habib Ansari 24 - Sep - 2024 02 Min 32 Sec 14/17 -
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Z Zahra Batool 27 - Jul - 2024 01 Min 47 Sec 12/17
FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The numebr of coulombs required to deposit 1 mole of Ag |
A. 96500 C
B. 193000 C241250 C
C. 1 C
D. 241250 C
|
| 2 | Oxidation numebrof oxygen in H2O |
A. 1
B. -2
C. 0
D. +1
|
| 3 | Which species is educed in the followig rection ? Zn + Cu --------- Zn |
A. Cu2+
B. Zn
C. Cu
D. Zn3+
|
| 4 | Which element has Eo = 0.00 V? |
A. H+
B. H2
C. SHE
D. All of the above
|
| 5 | The oxidation number of sulfur in H2SO4 is |
A. +2
B. +4
C. +6
D. +8
|
| 6 | Electrolysis is the process of |
A. Chemical energy into electrical
B. Electrical energy into chemical
C. Heat energy into mechanical
D. Mechanical energy into chemical
|
| 7 | 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
|
| 8 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 9 | 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
|
| 10 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
Test Questions