Electrolysis Quiz

10 Questions | Total Attempts: 5284

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Electrolysis Quiz

In the scientific study of chemistry, the process of electrolysis involves using direct electric current to prompt a chemical reaction which otherwise would be non-spontaneous. Do you think you can answer all of the questions regarding electrolysis correctly in this quiz? Find out now!


Questions and Answers
  • 1. 
    In electrolysis, only _____________ ions present can be discharged.
    • A. 

      1 out of 4

    • B. 

      2 out of 4

    • C. 

      3 out of 4

    • D. 

      4 out of 4

  • 2. 
    What are the ions present in water?
    • A. 

      H and OH

    • B. 

      H+ and OH-

    • C. 

      H2 and O

    • D. 

      H2O

  • 3. 
    If the anions in an aqueous solution are _________ ions,  they will be ________.
    • A. 

      Not halide, discharged

    • B. 

      Halide, discharged

    • C. 

      Sulfate, discharged

    • D. 

      Copper, discharged

  • 4. 
    Which pair of electrolytes is not inert?
    • A. 

      Mercury and Carbon

    • B. 

      Mercury and Silver

    • C. 

      Silver and Carbon

    • D. 

      Copper and Silver

  • 5. 
    Which metal is used in electroplating cans to store food?
    • A. 

      Silver

    • B. 

      Chromium

    • C. 

      Tin

    • D. 

      Nickel

  • 6. 
    In the electrolysis of molten sodium chloride, what is the yellow green gas formed?
    • A. 

      Oxygen

    • B. 

      Chloride

    • C. 

      Chlorine

    • D. 

      Hydrogen

  • 7. 
    ______ are _________ at the anode and _______ at the cathode.
    • A. 

      Metals, oxidised, reduced

    • B. 

      Atoms, reduced, oxidised

    • C. 

      Ions, oxidised, reduced

    • D. 

      Ions, reduced, oxidised

  • 8. 
    A cathode is ____________ charged
    • A. 

      Positively

    • B. 

      Negatively

    • C. 

      Neutrally

  • 9. 
    An anode is __________ charged.
    • A. 

      Positively

    • B. 

      Negatively

    • C. 

      Neutrally

  • 10. 
    Which of these is not an application of electrolysis?
    • A. 

      Rust removal

    • B. 

      Electroplating

    • C. 

      Making leather

    • D. 

      Manufacture of bleach