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 reaction at the cathode is alwyas

Question # 2

In electolysis, reduction always occurs at

Question # 3

In electroplating the object to be plated is connected to

Question # 4

Which component maintains elecrical neutrality in an electronchemical cell

Question # 5

Oxidation numebrof oxygen in H2O

Question # 6

Cell potential is the differecne between 

Question # 7

In the Hall Heroult process, aluminum is obtained by 

Question # 8

The anode is electrolysis of molten NaCl is

Question # 9

The cathode in an electrolytic cell is.

Question # 10

The oxidation number of sulfur in H2SO4 is

Question # 11

Electrons in a galvanic cell flow from

Question # 12

Standard electrode potential is measured under

Question # 13

Electroplating involves.

Question # 14

Standard hydrogen electrode is assigned potential of.

Question # 15

If Eo cell is +1.10 V , the reactio is

Question # 16

Electrolysis is the process of 

Question # 17

Electroyte in electroplating of silver

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

Sr.# Question Answer
1 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
2 The reaction at the cathode is alwyas
A. Oxidation 
B. Neutral
C. Reduction 
D. Ionization 
3 Electroyte in electroplating of silver
A. AgNo3
B. NaCl
C. CuSO4
D. HNO3
4 Electrochemical sereis helps in predicting.
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
5 Whcih metal will displace Cu from CuSO4 Solution.
A. Zn
B. Ag
C. Hg
D. Pb
6 The process of coating a metal with zinc is called.
A. Alloying
B. Galvanization 
C. Electroefining
D. Electrplating
7 Which element has Eo = 0.00 V?
A. H+
B. H2
C. SHE
D. All of the above
8 A salt bridge is usually made from
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
9 An Increase in temperature generally
A. No Effect
B. Increases cell voltage
C. Decreases ell voltage
D. Depends on pressure
10 In electolysis, reduction always occurs at
A. Anode
B. Cathode
C. Salt bridge
D. Electroyte

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