Dry Cells MCQs Test Online PDF Download

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MCQ on Dry CellsQuiz PDF Download

MCQ: In a dry cell, leaking occurs because

  1. zinc electrode has dissolved away
  2. carbon electrode has dissolved away
  3. magnese oxide has been used up
  4. polarization cannot more be prevented at carbon electrode


MCQ: Advantages dry cells offer are that they are

  1. cheap
  2. convenient
  3. portable
  4. all of these


MCQ: Selective charges occurs for the

  1. ions which require least energy to be discharged
  2. ions which require most energy to be discharged
  3. elements of group VII
  4. metal chlorides


MCQ: In a dry cell, electrolyte paste is formed of

  1. ammonium sulphate
  2. ammonium nitrate
  3. ammonium chloride
  4. zinc sulphate


MCQ: Selective discharge occurs

  1. if more difference is in the reactivity series
  2. if low difference is in the activity series
  3. if more than one type of anions is attracted to cathode
  4. if more than one type of anions or Cations are attracted to the cathode or anode