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

The anode is electrolysis of molten NaCl is

Question # 2

Electroplating involves.

Question # 3

Which of the followng elements cannot displace hydrogen from acid.

Question # 4

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

Question # 5

The activity series of meals arranges metals in order of their.

Question # 6

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

Question # 7

If 1 Faraday of elecricity is passed the mass deposited equals.

Question # 8

Cell potential is the differecne between 

Question # 9

The salt brige allows tranfer of ........in Zn -Cu voltaic cell

Question # 10

Redox reactions always involve.

Question # 11

An Increase in temperature generally

Question # 12

In redox reactions, oxidizing agents are

Question # 13

The experimental determination of Avogadro's numebr through electrolysis typically involves measuring 

Question # 14

Electrolysis of CuSO4  using copper eletrodes results in

Question # 15

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

Question # 16

What is the unit of cell potanetial.

Question # 17

Electrochemical sereis helps in predicting.

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

Sr.# Question Answer
1 Electrons in a galvanic cell flow from
A. Anode to cathode
B. Cathode to anode
C. Salt bridge to cathode
D. Elecrolyte to anode
2 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
3 One Faraday is equl to 
A. 1 C
B. 96500 C
C. 1 J
D. 96500 J
4 The metal depostied at cathode during electolysis of NaCl is.
A. Cl2
B. Na
C. H2
D. Cu
5 Which element has Eo = 0.00 V?
A. H+
B. H2
C. SHE
D. All of the above
6 Which component maintains elecrical neutrality in an electronchemical cell
A. Salt bridge
B. Voltmeter
C. Electrolyte
D. Electrodes
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 Which of the followng elements cannot displace hydrogen from acid.
A. Zn
B. Cu
C. AI
D. Fe
9 An Increase in temperature generally
A. No Effect
B. Increases cell voltage
C. Decreases ell voltage
D. Depends on pressure
10 Which of the following is not a use of electrochemistry
A. Manufacture of explosives
B. Electroplating
C. Extractio of metals
D. Electrorefining

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