Electrolysis
8th grade
1488 times
Chemistry
56%average accuracy
3 years ago
chaz4510
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11 QuestionsShow answers
  • Question 1
    30 seconds
    Q. What is electrolysis?
    answer choices
    breaking down of a compound using a current
    making a compound using a current
  • Question 2
    30 seconds
    Q. What kind of Electrical Current does Electroysis require?
    answer choices
    Direct
    Indirect
    Anternative
    A alternating
  • Question 3
    30 seconds
    Q. Which statement correctly describes the 2 electrodes?
    answer choices
    The anode is negative and the cathode is positive
    The anode and cathode are both positive
    The anode is positive and the cathode is negative
    The anode and cathode are both negative.
  • Question 4
    30 seconds
    Q. What is the name given to the solution that is being electrolysed?
    answer choices
    Salt solution
    Electric solution
    Mineral solution
    Electrolyte
  • Question 5
    30 seconds
    Q. Explain why the electrolyte has to be a liquid.
    answer choices
    So the ions can move
    So the electrons can move
    So that it doesn't get too hot
    So the fish are ok
  • Question 6
    30 seconds
    Q. It is essetial that the electrolyte is a liquid so that...
    answer choices
    Charged ions can migrate towards the electrodes. 
    Charged ions can migrate towards the electrodes.
    The solution can move around.
    The current can flow through it.
  • Question 7
    30 seconds
    Q. What happens at the positive electrode?
    answer choices
    Positive non-metal ions are attracted
    Positive metal ions are attracted
    Negative non-metal ions are attracted
    Negative metal ions are attracted
  • Question 8
    30 seconds
    Q. Positive ions (cations) will move towards the cathode (-) where they will discharge by....
    answer choices
    Breaking apart
    Losing electrons
    Clumping together.
    Gaining electrons
  • Question 9
    30 seconds
    Q. When NaCl solution is electrolysed what has forms at the anode?
    answer choices
    Hydrogen
    Oxygen
    Chlorine
    Sodium
  • Question 10
    30 seconds
    Q. What does the Cathode (-) do to ions?
    answer choices
    Give electrons to the Positive ions to turn them back into atoms
    Take electrons from the positive ions?
    Turn ions back into atoms by removing electrons
    Turn atoms into ions by adding electrons
  • Question 11
    30 seconds
    Q. What is the equation to show what happens to Cl ions at the anode.
    answer choices
    Cl- --> Cl + e-   
    2Cl- --> Cl2 + 2e-   
    Cl2 + 2e-   2Cl- 
    Cl2 + 2e-  -->  2Cl- 
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