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Electrochemistry

7. 

Piezo electric effect is exhibited by

A. Diamond B. Quartz C. Carbon D. Iron

Answer : B. Quartz

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8. 

An electrode at which oxidation occurs is called an ____

A. anode B. cathode C. electrode D. all the above

Answer : A. Anode

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9. 

The positive electrode in a voltaic cell is known as

A. anode B. cathode C. electrode D. all the above

Answer : B. cathode

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10. 

Compounds that have a high degree of ionization in solution are known as _____

A. nonconductors B. weak electrolytes C. strong electrolytes D. insulators

Answer : C. strong electrolytes

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11. 

How many electrons are transferred in the balanced redox reaction?

A. 7 B. 8 C. 9 D. 10

Answer : D. 10

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12. 

The ions in a solution which conduct electricity are known as

A. electrolytes B. electrodes C. nonconductors D. None of these

Answer : B. electrodes

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