Class 9 Courses

Chapter 2: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 2

Electrochemistry Quiz Questions and Answers PDF - 3

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Electrochemistry Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11:

As compare to iron, aluminum has

  1. higher tendency to oxidize
  2. less tendency to oxidize
  3. equal tendency to oxidize
  4. all of above
MCQ 12:

Oxidation-reduction reaction involves

  1. transfer of neutrons
  2. transfer of protons
  3. transfer of electrons
  4. all of above
MCQ 13:

Lead and Zinc metals occur naturally as

  1. oxides
  2. sulphite ores
  3. carbon ores
  4. chloride ores
MCQ 14:

Conditions for good electroplating are

  1. high current density
  2. low temperature
  3. high concentration of metal in electrolyte
  4. all of above
MCQ 15:

Electrochemical cells convert which of these into electrical energy?

  1. mechanical energy
  2. potential energy
  3. kinetic energy
  4. chemical energy

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Electrochemistry App (Android & iOS)

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