11th Class Chemistry Chapter 10 MCQ Test with Answer

MCQ's Test For Chapter 10 "Electrochemistry"

Try The MCQ's Test For Chapter 10 "Electrochemistry"

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Electrochemistry

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Question # 1

One Faraday is equl to 

Question # 2

Electroysis requires.

Question # 3

The more positive the standard reduction potential

Question # 4

Electroysis is used in the extration of

Question # 5

Standard hydrogen electrode is assigned potential of.

Question # 6

A salt bridge is usually made from

Question # 7

Electrochemical equivalent is.

Question # 8

The process of coating a metal with zinc is called.

Question # 9

Electrolysis is the process of 

Question # 10

Whcih metal will displace Cu from CuSO4 Solution.

Question # 11

A more genative Eo value means the electrode

Question # 12

The cathode in an electrolytic cell is.

Question # 13

For a redox reaction to be spontaneous, Delga G should be

Question # 14

If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.

Question # 15

An Increase in temperature generally

Question # 16

Electroysis of brine produces.

Question # 17

In the Hall Heroult process, aluminum is obtained by 

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FSc Part 1 Chemistry (New Book) Chapter 10 Important MCQ's

Sr.# Question Answer
1 The process of purifying copper using electricity is called.
A. Electrolysis
B. Electrplating
C. Electrorefinging
D. Electrogavimetry
2 In an electrochecmial cell, which ion migrates to cathode through the salt bridge.
A. Anions
B. Cations
C. Eletrons
D. Protons
3 Electroysis requires.
A. Redox reaction
B. Spontaneous cell
C. Non spontaneous reaction
D. Combustion 
4 Which metal is the best reducing agent.
A. Cu
B. K
C. Zn
D. Fe
5 In the Hall Heroult process, aluminum is obtained by 
A. Chemical reaction
B. Thermal decomposition 
C. Elelctrolysis of alumina
D. Roasting and leaching
6 What is the unit of cell potanetial.
A. ampere
B. Volt
C. Ohm
D. Farad
7 The oxidation number of sulfur in H2SO4 is
A. +2
B. +4
C. +6
D. +8
8 Down cell is used for extractio of.
A. Zinc
B. Iron
C. Sodium
D. Aluminum
9 In redox reactions, oxidizing agents are
A. reduced
B. Oxidized
C. Always metals
D. Always gases
10 Standard hydrogen electrode is assigned potential of.
A. 1.0 V
B. 0.5 V
C. 0.0 V
D. -1.0 V

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