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

Zero

Negative

Positive or Negative

Positive

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Question 1 of 15

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

Electrons

Ions

Atoms

Protons

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Question 2 of 15

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

More spontaneous and less non-spontaneous

Either spontaneous or non-spontaneous

Always non-spontaneous

Always spontaneous

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Question 3 of 15

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

Drinking water only

Power only

Drinking water and power

Fuel and drinking water

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Question 4 of 15

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

Heat energy

Sound energy

Electric energy

Potential energy

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Question 5 of 15

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

Electricity

Light

Ions

Electrons

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Question 6 of 15

7. Metallic conduction is also called as:

Protonic conduction

Super conduction

Electronic conduction

Ionic conduction

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Question 7 of 15

8. 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 8 of 15

9. Electrolysis is used for:

Refining of copper

Electroplating

All of above

Manufacture of caustic soda

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Question 9 of 15

10. Cell potential depends upon:

Concentration of ions

Temperature

All of above

Nature of electrolyte

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Question 10 of 15

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

0.0 volt

1.0 volt

1.8 volt

0.8 volt

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Question 11 of 15

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

Relatively free movement of their electrons

Lustrous surfaces

Immobility of the electrons

Light weight

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Question 12 of 15

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

Voltaic cell

Electrolytic cell

Galvanic cell and Voltaic cell

Galvanic cell

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Question 13 of 15

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

Electrolytic cell

Voltaic cell

Galvanic cell and Voltaic cell

Galvanic cell

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Question 14 of 15

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

Standard cell potential

Electrode potential

Cell reaction

Cell voltage

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Question 15 of 15

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