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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
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 # 2
The process of purifying copper using electricity is called.
Question # 3
Which of the followig will react with HCl to librerate H2 gas
Question # 4
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 5
The activity series of meals arranges metals in order of their.
Question # 6
Which element has Eo = 0.00 V?
Question # 7
Which of the followng elements cannot displace hydrogen from acid.
Question # 8
Standard hydrogen electrode is assigned potential of.
Question # 9
The reaction at the cathode is alwyas
Question # 10
The anode is electrolysis of molten NaCl is
Question # 11
If Eo cell is +1.10 V , the reactio is
Question # 12
Which of the following metals would most raadily displace hydrogen gas from dilute acids.
Question # 13
The metal depostied at cathode during electolysis of NaCl is.
Question # 14
In electolysis, reduction always occurs at
Question # 15
If 1 Faraday of elecricity is passed the mass deposited equals.
Question # 16
Redox reactions always involve.
Question # 17
Electrolysis is the process of
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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 reaction at the cathode is alwyas |
A. Oxidation
B. Neutral
C. Reduction
D. Ionization
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| 2 | Which component maintains elecrical neutrality in an electronchemical cell |
A. Salt bridge
B. Voltmeter
C. Electrolyte
D. Electrodes
|
| 3 | A positive value for the standared electrode potential of a metal ion metal half cell indicate that |
A. The metal is stong reducing agent
B. The metal ion is redily oxidized
C. The metal ion is redily reduced
D. The metal will readily displace hydrogen from dilute acids.
|
| 4 | 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
|
| 5 | 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
|
| 6 | A salt bridge is usually made from |
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
|
| 7 | In an electrochecmial cell, which ion migrates to cathode through the salt bridge. |
A. Anions
B. Cations
C. Eletrons
D. Protons
|
| 8 | Which metal is the best reducing agent. |
A. Cu
B. K
C. Zn
D. Fe
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| 9 | Electroysis of brine produces. |
A. Hydrogen, oxygen , NaOH
B. Sodium, Chlorine , H2O
C. Hydrogen, Chlorine, NaOH
D. NaOH , Cl2, CO2
|
| 10 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
Test Questions
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Nawal NADEEM
21 May 2017Good job!!!