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Electrolysis

Quiz by Aji Budiyanto

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11 questions
Show answers
  • Q1
    What kind of Electrical Current does Electroysis require?
    Indiret
    Direct
    Alternating
    Anternative
    30s
  • Q2
    Which statement correctly describes the 2 electrodes?
    The anode and cathode are both positive
    The anode is negative and the cathode is positive
    The anode and cathode are both negative.
    The anode is positive and the cathode is negative
    30s
  • Q3
    What is the name given to the solution that is being electrolysed?
    Electric solution
    Salt solution
    Electrolyte
    Mineral solution
    30s
  • Q4
    Explain why the electrolyte has to be a liquid.
    So that it doesn't get too hot
    So the ions can move
    So the electrons can move
    So the fish are ok
    30s
  • Q5
    What happens at the positive electrode?
    Negative non-metal ions are attracted
    Positive non-metal ions are attracted
    Negative metal ions are attracted
    Positive metal ions are attracted
    30s
  • Q6
    Positive ions (cations) will move towards the cathode (-) where they will discharge by....
    Clumping together
    Breaking apart
    Losing electrons
    Gaining electrons
    30s
  • Q7
    When NaCl concentrated solution is electrolysed, what does substance(s) form at the anode?
    Sodium
    Oxygen
    Hydrogen
    Chlorine
    30s
  • Q8
    What does the Cathode (-) do to ions?
    Turn ions back into atoms by removing electrons
    Turn atoms into ions by adding electrons
    Give electrons to the Positive ions to turn them back into atoms
    Take electrons from the positive ions
    30s
  • Q9
    What is the equation to show what happens to Cl ions at the anode.
    2Cl- --> Cl2 + 2e-
    Cl + e- --> Cl-
    Cl- --> Cl + e-
    Cl2 + 2e- --> 2Cl-
    30s
  • Q10
    What is reaction positive electrode in electrolysis?
    Cation
    Anion
    Cathode
    Anode
    30s
  • Q11
    What is the reaction involved at cathode?
    decomposition
    reduction
    redox
    oxidation
    30s

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