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

Which element has Eo = 0.00 V?

Question # 2

A more genative Eo value means the electrode

Question # 3

The process of purifying copper using electricity is called.

Question # 4

Which of the followng elements cannot displace hydrogen from acid.

Question # 5

The principle of measuring DO by Wrinkler's Method is based on.

Question # 6

Oxidation numebrof oxygen in H2O

Question # 7

Which of the following changes wold typically lead to an incresse in he rate of electrolysis.

Question # 8

Electroysis is used in the extration of

Question # 9

Electrochemical cells convert chemical energy into 

Question # 10

Which of the followig will react with HCl to librerate H2 gas

Question # 11

If Eo cell is +1.10 V , the reactio is

Question # 12

Electrolysis is the process of 

Question # 13

In redox reactions, oxidizing agents are

Question # 14

Which of the following is not a use of electrochemistry

Question # 15

Electrons in a galvanic cell flow from

Question # 16

A positive value for the standared electrode potential of a metal ion metal half cell indicate that

Question # 17

Cell potential is the differecne between 

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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 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 
3 The reaction at the cathode is alwyas
A. Oxidation 
B. Neutral
C. Reduction 
D. Ionization 
4 Electrolysis is the process of 
A. Chemical energy into electrical
B. Electrical energy into chemical
C. Heat energy into mechanical
D. Mechanical energy into chemical
5 Electroplating involves.
A. Electrolysis for coating
B. Spontaneous oxidation 
C. Redox without electordes
D. Thermolysis
6 What is the unit of cell potanetial.
A. ampere
B. Volt
C. Ohm
D. Farad
7 Redox reactions always involve.
A. Gain of protons
B. Transfer of electrons
C. Loss ofneutrons
D. Nuclear change
8 Which of the following changes wold typically lead to an incresse in he rate of electrolysis.
A. Decreasing ghe concentration of the electrolyte
B. Incressing the distance between the electrodes
C. Decressing the surface area of the electrolytic cell
D. Increasing the current passed though the electroytic cell
9 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.
10 Down cell is used for extractio of.
A. Zinc
B. Iron
C. Sodium
D. Aluminum

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