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

Redox reactions always involve.

Question # 2

The anode is electrolysis of molten NaCl is

Question # 3

Faradya's First Law states tass deposited is diretly proportional tohat m

Question # 4

Electroysis is used in the extration of

Question # 5

Cell potential is the differecne between 

Question # 6

Electrolysis is the process of 

Question # 7

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

Question # 8

The process of coating a metal with zinc is called.

Question # 9

In a galvanic cell, the anode is

Question # 10

The reducing agent in a redox reaction

Question # 11

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

Question # 12

Electrochemical sereis helps in predicting.

Question # 13

A salt bridge is usually made from

Question # 14

An Increase in temperature generally

Question # 15

Electrochemical cells convert chemical energy into 

Question # 16

If Zn -Cu galvanic cell works ideally after complete discharge, both comparatments will have

Question # 17

A more genative Eo value means the electrode

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

Sr.# Question Answer
1 In redox reactions, oxidizing agents are
A. reduced
B. Oxidized
C. Always metals
D. Always gases
2 Electrochemical equivalent is.
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
3 The principle of measuring DO by Wrinkler's Method is based on.
A. Iodimetry
B. Iodometry
C. Acid Bse titration
D. Complexometry
4 Which of the following is not a use of electrochemistry
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining
5 The activity series of meals arranges metals in order of their.
A. Atomic mass
B. Density
C. Ease of oxidation
D. Ease of reduction 
6 The cathode in an electrolytic cell is.
A. Positive electrode
B. Negative electrode
C. Neutral elecrode
D. None
7 Electroysis of brine produces.
A. Hydrogen, oxygen , NaOH
B. Sodium, Chlorine , H2O
C. Hydrogen, Chlorine, NaOH
D. NaOH , Cl2, CO2
8 Faradya's First Law states tass deposited is diretly proportional tohat m
A. Time
B. Voltage
C. Resistance
D. Quantity of electricity passed
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 In electroplating the object to be plated is connected to
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte

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