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Eleventh Grade (Grade 11) Electrochemistry Questions

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Grade 11 Electrochemistry
What kind of chemical reactions spontaneously takes place in electrochemical cells?
  1. decomposition reaction
  2. redox reaction
  3. synthesis reaction
  4. displacement reaction
Grade 11 Electrochemistry
Which of the following devices is an example of an electrolytic cell?
  1. Voltmeter
  2. Daniell Cell
  3. Dry Cell
  4. Galvanic cell
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]
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 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
Materials with weakly bound electrons tend to lose them, while materials with sparsely filled outer shells tend to gain them. What is this effect called?
  1. electron exchange effect
  2. triboelectric effect
  3. photoelectric effect
  4. piezoelectric effect
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