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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
Faradya's First Law states tass deposited is diretly proportional tohat m
Question # 2
Electrolysis of CuSO4 using copper eletrodes results in
Question # 3
In redox reactions, oxidizing agents are
Question # 4
Electroysis of brine produces.
Question # 5
The more positive the standard reduction potential
Question # 6
Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
Question # 7
If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have
Question # 8
Which component maintains elecrical neutrality in an electronchemical cell
Question # 9
If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
Question # 10
Electrochemical cells convert chemical energy into
Question # 11
Electrochemical sereis helps in predicting.
Question # 12
A more genative Eo value means the electrode
Question # 13
The experimental determination of Avogadro's numebr through electrolysis typically involves measuring
Question # 14
Electroysis requires.
Question # 15
The process of purifying copper using electricity is called.
Question # 16
Electrons in a galvanic cell flow from
Question # 17
One Faraday is equl to
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Z Zaima Rahim 25 - Sep - 2024 01 Min 24 Sec 17/17 -
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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 reducing agent in a redox reaction |
A. Gains electrons
B. Loss electrons
C. Acceptw protons
D. Donates protons
|
| 2 | An Increase in temperature generally |
A. No Effect
B. Increases cell voltage
C. Decreases ell voltage
D. Depends on pressure
|
| 3 | Electroysis requires. |
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion
|
| 4 | Electrochemical cells convert chemical energy into |
A. Electrila energy
B. Heat
C. Light
D. Nuclear energy
|
| 5 | Which of the following is not a use of electrochemistry |
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
|
| 6 | The principle of measuring DO by Wrinkler's Method is based on. |
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
|
| 7 | A salt bridge is usually made from |
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
|
| 8 | Electroysis of brine produces. |
A. Hydrogen, oxygen , NaOH
B. Sodium, Chlorine , H2O
C. Hydrogen, Chlorine, NaOH
D. NaOH , Cl2, CO2
|
| 9 | 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. |
A. Mass numebr of the ion
B. One mole of electrons being transferred
C. Avogadro's nmber of ions being discharged
D. Standrd electrode potentil of the metal iion
|
| 10 | The cathode in an electrolytic cell is. |
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
|
Test Questions