GCSE Chemistry – Electrolysis of aluminium
Learning Objectives
-I can describe the process of extracting aluminium by electrolysis
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- Current
- Review
- Answered
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1. Question
What is the definition of electrolysis?
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2. Question
What is needed to carry out electrolysis?
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3. Question
What is the anode?
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4. Question
What is the cathode?
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5. Question
Which part of the electrolysis cell is the carbon negative electrode?
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6. Question
Which is a use of aluminium?
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7. Question
Which is a use of aluminium?
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8. Question
Which is a use of aluminium?
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9. Question
What is the name of an aluminium ore?
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10. Question
What does bauxite mainly contain?
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11. Question
What is the formula of aluminium oxide?
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12. Question
What method can be used to extract aluminium from its ore?
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13. Question
Why is the process of electrolysis needed to extract aluminium from its ore rather than using displacement?
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14. Question
What type of aluminium is used during electrolysis?
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15. Question
What must be done to the aluminium oxide before it can undergo electrolysis?
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16. Question
What must be done to the aluminium oxide before it can undergo electrolysis?
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17. Question
Describe the amount of energy that is needed to carry out the electrolysis of extracting aluminium.
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18. Question
Describe the amounts of electricity used during the electrolysis of aluminium.
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19. Question
Describe the melting point of aluminium oxide.
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20. Question
During electrolysis, what is the aluminium oxide mixed with to decrease the melting point?
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21. Question
Why can’t the aluminium oxide be melted singularly during electrolysis?
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22. Question
What is formed at the positive electrode?
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23. Question
What is formed at the negative electrode?
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24. Question
What gas is produced at the anode?
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25. Question
What is tapped off during the electrolysis of aluminium oxide?