Electrolysis and Storage Batteries MCQs

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In electroplating, the positive electrode is called

  • A. cathode
  • B. anode
  • C. terminal
  • D. iontrap
  • Correct Answer: Option B

The mass of an ion liberated at an electrode is directly proportional to the quantity of electricity which passes through the electrolyte. The above statement is associated with

  • A. Gauss's theorem
  • B. Laplace law
  • C. Weber and Erwing's theory
  • D. laws of electrolysis
  • Correct Answer: Option D

The mass of material deposited over an electrode is

  • A. proportional to voltage
  • B. proportional to time only
  • C. proportional to current only
  • D. proportional to quantity of electricity and electrochemical equivalent
  • Correct Answer: Option D

Electrochemical equivalent is

  • A. ratio of atomic weight of an element to atomic weight of hydrogen
  • B. mass of the element liberated per unit quantity of hydrogen
  • C. ratio of atomic weight of valency
  • D. none of the above
  • Correct Answer: Option B