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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 equivalent is.
Question # 2
The reaction at the cathode is alwyas
Question # 3
Which metal is the best reducing agent.
Question # 4
The cathode in an electrolytic cell is.
Question # 5
Electrochemical sereis helps in predicting.
Question # 6
Cell potential is the differecne between
Question # 7
Electroysis of brine produces.
Question # 8
Electroplating involves.
Question # 9
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 10
Electroysis is used in the extration of
Question # 11
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
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
Whcih metal will displace Cu from CuSO4 Solution.
Question # 14
The process of coating a metal with zinc is called.
Question # 15
The metal depostied at cathode during electolysis of NaCl is.
Question # 16
Standard hydrogen electrode is assigned potential of.
Question # 17
An Increase in temperature generally
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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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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 | The anode is electrolysis of molten NaCl is |
A. Na+
B. Cl-
C. Na
D. H-
|
| 2 | Which element has Eo = 0.00 V? |
A. H+
B. H2
C. SHE
D. All of the above
|
| 3 | Redox reactions always involve. |
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
|
| 4 | Standard hydrogen electrode is assigned potential of. |
A. 1.0 V
B. 0.5 V
C. 0.0 V
D. -1.0 V
|
| 5 | 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
|
| 6 | Which of the following changes wold typically lead to an incresse in he rate of electrolysis. |
A. Decreasing ghe concentration of the electrolyte
B. Incressing the distance between the electrodes
C. Decressing the surface area of the electrolytic cell
D. Increasing the current passed though the electroytic cell
|
| 7 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 8 | The experimental determination of Avogadro's numebr through electrolysis typically involves measuring |
A. The current and voltage applied
B. The mass of the substance deposited or liberated by a konown charge
C. The conductivity of the electrolytic solution
D. The temperature changes duirng electrolysis
|
| 9 | In electroplating the object to be plated is connected to |
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
|
| 10 | Electrochemical sereis helps in predicting. |
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!