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 metal is the best reducing agent.

Question # 2

Electrochemical sereis helps in predicting.

Question # 3

Electroplating involves.

Question # 4

If Eo cell is +1.10 V , the reactio is

Question # 5

The process of purifying copper using electricity is called.

Question # 6

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

Question # 7

Standard hydrogen electrode is assigned potential of.

Question # 8

In a galvanic cell, the anode is

Question # 9

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

Question # 10

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

Question # 11

Which of the following metals would most raadily displace hydrogen gas from dilute acids.

Question # 12

In electroplating the object to be plated is connected to

Question # 13

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

Question # 14

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

Question # 15

The cathode in an electrolytic cell is.

Question # 16

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

Question # 17

Which element has Eo = 0.00 V?

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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 Electrochemical sereis helps in predicting.
A. Rate of reaction
B. Type of bond
C. Dirction of redox reactions
D. Heat released
3 If salt bridge in not used, between twohalf cells in a Galvanic cell, than the voltage.
A. Decrease slowly
B. Decrease repidly
C. Does not change
D. Drope to zero
4 In electroplating the object to be plated is connected to
A. Anode
B. Cathode
C. Both electordes
D. Electrolyte
5 Which species is educed in the followig rection ? Zn + Cu --------- Zn
A. Cu2+
B. Zn
C. Cu
D. Zn3+
6 Which of the following metals would most raadily displace hydrogen gas from dilute acids.
A. Copper
B. Silver
C. Magnesium
D. Platinum
7 Electrochemical equivalent is.
A. Mass per mole
B. Mass per coulomb
C. Charge per second
D. Current per mass
8 If 1 Faraday of elecricity is passed the mass deposited equals.
A. 1 gram equivalent
B. 1 gram
C. 1 mole
D. 1 atm
9 A salt bridge is usually made from
A. Metallic wires
B. Porous glass
C. Inert salt solution in agar agar
D. Hydrochloric acid
10 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

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