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Eleventh Grade (Grade 11) Electrochemistry Questions

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Grade 11 Electrochemistry
In an electrolytic cell, electrical energy is converted into
  1. chemical energy
  2. heat energy
  3. kinetic energy
  4. potential energy
Grade 11 Electrochemistry
What kind of chemical reactions spontaneously take place in electrochemical cells?
  1. decomposition reaction
  2. redox reaction
  3. synthesis reaction
  4. displacement reaction
Grade 11 Electrochemistry
Which of the following device is an example of an electrolytic cell?
  1. Voltmeter
  2. Daniell Cell
  3. Dry Cell
  4. Galvanic cell
Grade 11 Electrochemistry
Grade 11 Electrochemistry
Which of the following redox reactions represents the Daniel Cell?
  1. [math]Zn(s) + Cu^2+ (aq) rarr Zn^2+(aq) + Cu(s)[/math]
  2. [math]Cu(s) + 2Ag^+(aq) rarrCu^2+ (aq) + 2Ag(s)[/math]
  3. [math]2Al(s) + 3Cu^2+ (aq) rarr 2Al^3+(aq) + 3Cu(s)[/math]
  4. [math]Cu(s) + 2Fe^3+ (aq) rarr Cu^2+ (aq) + 2Fe^2+(aq)[/math]
Grade 11 Electrochemistry
Zinc metal dipped in zinc sulfate solution is an example of
  1. a metal-metal ion electrode
  2. a gas electrode
  3. a metal-sparingly soluble salt electrode
  4. a redox electrode
Grade 11 Electrochemistry
Which of the equations correctly describes the relation between Faraday(F) and Couloumb (C)?
  1. [math]1 F = 9.65 xx10^4 C[/math][math][/math]
  2. [math]1 F = 9.64 xx 10^3 C[/math]
  3. [math]1 F = 9.63 xx 10^2 C[/math]
  4. [math]1 F = 9.62 xx 10^5 C[/math]
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