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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
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 2
Which species is educed in the followig rection ? Zn + Cu --------- Zn
Question # 3
Electroysis of brine produces.
Question # 4
The more positive the standard reduction potential
Question # 5
Oxidation numebrof oxygen in H2O
Question # 6
In electroplating the object to be plated is connected to
Question # 7
A more genative Eo value means the electrode
Question # 8
A positive value for the standared electrode potential of a metal ion metal half cell indicate that
Question # 9
The process of coating a metal with zinc is called.
Question # 10
The cathode in an electrolytic cell is.
Question # 11
A salt bridge is usually made from
Question # 12
Standard hydrogen electrode is assigned potential of.
Question # 13
Which of the followig will react with HCl to librerate H2 gas
Question # 14
Whcih metal will displace Cu from CuSO4 Solution.
Question # 15
Electrochemical equivalent is.
Question # 16
Electrochemical cells convert chemical energy into
Question # 17
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
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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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M Manal Babar 03 - Oct - 2025 46 Min 30 Sec 15/17 -
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H Habib Ansari 24 - Sep - 2024 02 Min 32 Sec 14/17 -
S Sheryar Ahmad 06 - Aug - 2024 02 Min 36 Sec 14/17 -
A Abdul shakoor Shykh 05 - Sep - 2024 05 Min 47 Sec 14/17 -
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M Muhammad Saeed 24 - Sep - 2024 03 Min 27 Sec 12/17
FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following is not a use of electrochemistry |
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
|
| 2 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 3 | Electroysis of brine produces. |
A. Hydrogen, oxygen , NaOH
B. Sodium, Chlorine , H2O
C. Hydrogen, Chlorine, NaOH
D. NaOH , Cl2, CO2
|
| 4 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 5 | If 1 Faraday of elecricity is passed the mass deposited equals. |
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
|
| 6 | In the Hall Heroult process, aluminum is obtained by |
A. Chemical reaction
B. Thermal decomposition
C. Elelctrolysis of alumina
D. Roasting and leaching
|
| 7 | The process of coating a metal with zinc is called. |
A. Alloying
B. Galvanization
C. Electroefining
D. Electrplating
|
| 8 | Electroyte in electroplating of silver |
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
|
| 9 | The reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 10 | In electolysis, reduction always occurs at |
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte
|
Test Questions