Mashaal Masha
Mashaal Masha
 Oct 19, 2022
0
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Choose the correct options for the following questions.
Electrochemistry is concerned with the conversion of electrical energy into chemical energy in:
Difficulty: Easy
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A:
Galvanic cell
B:
Electrolytic cell
C:
Voltaic cell
D:
Both (a) and (c)
The conversion of chemical energy into electrical energy requires:
Difficulty: Easy
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A:
Electrolytic cell
B:
Galvanic cell
C:
Voltaic cell
D:
Both (b) and (c)
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Most metals are conductors of electricity because of the:
Difficulty: Easy
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A:
Light weight
B:
Immobility of the electrons
C:
Lustrous surface
D:
Relatively free movement of their electrons
Metallic conduction is also called as:
Difficulty: Easy
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A:
Ionic conduction
B:
Protonic conduction
C:
Electronic conduction
D:
Super conduction
Electrolytes in the form of solution or in the fused state have the ability to conduct:
Difficulty: Easy
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A:
Light
B:
Electricity
C:
Ions
D:
Electrons
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Ionization is the process in which ionic compounds when fused or dissolved in water split up into charged particles called:
Difficulty: Easy
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A:
Atoms
B:
Electrons
C:
Protons
D:
Ions
Electrolysis is used for:
Difficulty: Easy
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A:
Manufacture of caustic soda
B:
Refining of copper
C:
Electroplanting
D:
All of above
In an electrolytic cell, the electrons flow from:
Difficulty: Easy
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A:
Cathode to anode or opposite
B:
Cathode to anode
C:
Anode to cathode
D:
Random flow
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When aqueous NaCl is electrolyzed, which of the following ions get discharged at anode:
Difficulty: Easy
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A:
$H^{+}$
B:
$Na^{+}$
C:
$OH^{-}$
D:
$Cl^{-}$
In electrolytic cells, the chemical changes may be:
Difficulty: Easy
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A:
Either spontaneous or non-spontaneous
B:
Always spontaneous
C:
Always non-spontaneous
D:
More spontaneous and less non-spontaneous

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