Chemistry Electrochemistry Online Quiz Test MCQs

Given on this page is a online quiz on the topic of Electrochemistry. Being one of the very important subject, questions related to various topics of Chemistry are often part of different written exams and in order to help you in preparing for them in best way possible, the free online quizzes related to its various topics are given on our website

Chemistry Electrochemistry Online Quiz Test MCQs

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Chemistry

1. Reduction or oxidation potential of standard hydrogen electrode is:

1.8 volt

0.8 volt

0.0 volt

1.0 volt

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Question 1 of 15

2. A reaction will be spontaneous if its calculated emf is:

Zero

Negative

Positive or Negative

Positive

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Question 2 of 15

3. Most metals are conductors of electricity because of the:

Lustrous surfaces

Light weight

Immobility of the electrons

Relatively free movement of their electrons

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Question 3 of 15

4. Cell potential depends upon:

All of above

Concentration of ions

Temperature

Nature of electrolyte

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Question 4 of 15

5. In electrolysis cells, the chemical changes may be:

Always non-spontaneous

Always spontaneous

Either spontaneous or non-spontaneous

More spontaneous and less non-spontaneous

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Question 5 of 15

6. In an electrolytic cell, the electrons flow from:

Random flow

Cathode to anode or opposite

Cathode to anode

Anode to Cathode

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Question 6 of 15

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

Ions

Protons

Electrons

Atoms

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Question 7 of 15

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

Electrons

Ions

Light

Electricity

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Question 8 of 15

9. Electrolysis is used for:

Manufacture of caustic soda

All of above

Refining of copper

Electroplating

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Question 9 of 15

10. The conversion of chemical energy into electrical energy requires:

Electrolytic cell

Galvanic cell

Galvanic cell and Voltaic cell

Voltaic cell

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Question 10 of 15

11. Fuel cells are the means by which chemical energy may be converted into:

Heat energy

Potential energy

Electric energy

Sound energy

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Question 11 of 15

12. Fuel cells are mostly used in space aircrafts as the source of:

Drinking water and power

Power only

Fuel and drinking water

Drinking water only

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Question 12 of 15

13. The difference of potential of two electrodes when concentration of solution is 1 M each at 25°C and 1 atm is called:

Cell reaction

Standard cell potential

Electrode potential

Cell voltage

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Question 13 of 15

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

Galvanic cell

Galvanic cell and Voltaic cell

Electrolytic cell

Voltaic cell

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Question 14 of 15

15. Metallic conduction is also called as:

Protonic conduction

Electronic conduction

Ionic conduction

Super conduction

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Question 15 of 15

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