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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 principle of measuring DO by Wrinkler's Method is based on.
Question # 2
Redox reactions always involve.
Question # 3
Which of the followig will react with HCl to librerate H2 gas
Question # 4
Electrolysis is the process of
Question # 5
The more positive the standard reduction potential
Question # 6
Electrolysis of CuSO4 using copper eletrodes results in
Question # 7
Standard electrode potential is measured under
Question # 8
Electroysis of brine produces.
Question # 9
One Faraday is equl to
Question # 10
Which of the following is not a use of electrochemistry
Question # 11
If Eo cell is +1.10 V , the reactio is
Question # 12
A salt bridge is usually made from
Question # 13
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 14
Which metal is the best reducing agent.
Question # 15
In the Hall Heroult process, aluminum is obtained by
Question # 16
Which of the followng elements cannot displace hydrogen from acid.
Question # 17
A Daniell cell produces electricity through
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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the followng elements cannot displace hydrogen from acid. |
A. Zn
B. Cu
C. AI
D. Fe
|
| 2 | If Eo cell is +1.10 V , the reactio is |
A. Spontaneous
B. Non spontaneous
C. At equibrium
D. Endothermic only
|
| 3 | Electroplating involves. |
A. Electrolysis for coating
B. Spontaneous oxidation
C. Redox without electordes
D. Thermolysis
|
| 4 | In redox reactions, oxidizing agents are |
A. reduced
B. Oxidized
C. Always metals
D. Always gases
|
| 5 | The principle of measuring DO by Wrinkler's Method is based on. |
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
|
| 6 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
| 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 | Electrolysis of CuSO4 using copper eletrodes results in |
A. Increase in eletolyte concentration
B. Decrease in Cu2+ concentration
C. No change in electrolyte composition
D. Formation of new compound
|
| 9 | In the Hall Heroult process, aluminum is obtained by |
A. Chemical reaction
B. Thermal decomposition
C. Elelctrolysis of alumina
D. Roasting and leaching
|
| 10 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
Test Questions