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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
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 2
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 # 3
The principle of measuring DO by Wrinkler's Method is based on.
Question # 4
One Faraday is equl to
Question # 5
In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
Question # 6
If Eo cell is +1.10 V , the reactio is
Question # 7
In electroplating the object to be plated is connected to
Question # 8
The salt brige allows tranfer of ........in Zn -Cu voltaic cell
Question # 9
The reaction at the cathode is alwyas
Question # 10
The oxidation number of sulfur in H2SO4 is
Question # 11
Oxidation numebrof oxygen in H2O
Question # 12
Redox reactions always involve.
Question # 13
Electroyte in electroplating of silver
Question # 14
Which element has Eo = 0.00 V?
Question # 15
Electroysis requires.
Question # 16
Standard hydrogen electrode is assigned potential of.
Question # 17
Which species is educed in the followig rection ? Zn + Cu --------- Zn
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 -
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H Habib Ansari 24 - Sep - 2024 02 Min 32 Sec 14/17 -
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M Mian Babar 14 - Aug - 2024 12 Min 01 Sec 13/17 -
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 | Which of the following is not a use of electrochemistry |
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
|
| 2 | The more positive the standard reduction potential |
A. The stronger the reducing agent
B. The weaker the oxidizing agent
C. The stronger the oxidizing agent
D. No effect
|
| 3 | In electolysis, reduction always occurs at |
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte
|
| 4 | An Increase in temperature generally |
A. No Effect
B. Increases cell voltage
C. Decreases ell voltage
D. Depends on pressure
|
| 5 | A more genative Eo value means the electrode |
A. Is a stong oxidizing agent
B. Is a strong reducing agent
C. Is neurtal
D. Has high electronegagtivity
|
| 6 | If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have |
A. CuSO4 Solution
B. Zn SO4 Solution
C. Cu Ions
D. Zn Solid
|
| 7 | Electroplating involves. |
A. Electrolysis for coating
B. Spontaneous oxidation
C. Redox without electordes
D. Thermolysis
|
| 8 | Which of the followig will react with HCl to librerate H2 gas |
A. Ag
B. Mg
C. Au
D. Cu
|
| 9 | For a redox reaction to be spontaneous, Delga G should be |
A. Positive
B. Negative
C. Zero
D. Constant
|
| 10 | A salt bridge is usually made from |
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!