Electrochemistry - Set 1 | NUST Entrance Test

Electrochemistry is concerned with the conversion of electrical energy into chemical energy in:

Difficulty: Easy

A:

Galvanic cell

B:

Electrolytic cell

C:

Voltaic cell

D:

Both (a) and (c)

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The conversion of chemical energy into electrical energy requires:

Difficulty: Easy

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

A:

Light weight

B:

Immobility of the electrons

C:

Lustrous surface

D:

Relatively free movement of their electrons

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Metallic conduction is also called as:

Difficulty: Easy

A:

Ionic conduction

B:

Protonic conduction

C:

Electronic conduction

D:

Super conduction

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Electrolytes in the form of solution or in the fused state have the ability to conduct:

Difficulty: Easy

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

A:

Atoms

B:

Electrons

C:

Protons

D:

Ions

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Electrolysis is used for:

Difficulty: Easy

A:

Manufacture of caustic soda

B:

Refining of copper

C:

Electroplanting

D:

All of above

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In an electrolytic cell, the electrons flow from:

Difficulty: Easy

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

A:

H^{+}

B:

Na^{+}

C:

OH^{-}

D:

Cl^{-}

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In electrolytic cells, the chemical changes may be:

Difficulty: Easy

A:

Either spontaneous or non-spontaneous

B:

Always spontaneous

C:

Always non-spontaneous

D:

More spontaneous and less non-spontaneous

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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:

The conversion of chemical energy into electrical energy requires:

Most metals are conductors of electricity because of the:

Metallic conduction is also called as:

Electrolytes in the form of solution or in the fused state have the ability to conduct:

Ionization is the process in which ionic compounds when fused or dissolved in water split up into charged particles called:

Electrolysis is used for:

In an electrolytic cell, the electrons flow from:

When aqueous NaCl is electrolyzed, which of the following ions get discharged at anode:

In electrolytic cells, the chemical changes may be:

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