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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
Standard hydrogen electrode is assigned potential of.
Question # 2
If Eo cell is +1.10 V , the reactio is
Question # 3
In the Hall Heroult process, aluminum is obtained by
Question # 4
The process of coating a metal with zinc is called.
Question # 5
Cell potential is the differecne between
Question # 6
A salt bridge is usually made from
Question # 7
Which of the followig will react with HCl to librerate H2 gas
Question # 8
The more positive the standard reduction potential
Question # 9
Standard electrode potential is measured under
Question # 10
Electrolysis is the process of
Question # 11
Electrochemical equivalent is.
Question # 12
The oxidation number of sulfur in H2SO4 is
Question # 13
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 14
In electolysis, reduction always occurs at
Question # 15
Down cell is used for extractio of.
Question # 16
The principle of measuring DO by Wrinkler's Method is based on.
Question # 17
A Daniell cell produces electricity through
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Z zia khan 12 - Sep - 2024 00 Min 11 Sec 17/17 -
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 | Electroysis is used in the extration of |
A. Silver
B. Gold
C. Aluminum
D. Mercury
|
| 2 | The salt brige allows tranfer of ........in Zn -Cu voltaic cell |
A. SO4 Ions
B. Zn2 ions
C. Both
D. None of thes
|
| 3 | Electrons in a galvanic cell flow from |
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
|
| 4 | Electroyte in electroplating of silver |
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
|
| 5 | Whcih metal will displace Cu from CuSO4 Solution. |
A. Zn
B. Ag
C. Hg
D. Pb
|
| 6 | 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
|
| 7 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 8 | The activity series of meals arranges metals in order of their. |
A. Atomic mass
B. Density
C. Ease of oxidation
D. Ease of reduction
|
| 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 | 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
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!