Extraction of Aluminium Using Electrolysis
Authored by Isaac Frost
Chemistry
10th Grade
Used 154+ times
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8 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Why is Aluminium expensive? (2 answers)
The process takes a lot of electricity
Aluminium is rare
The electrodes need to be replaced often
The mines are deep
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Aluminium extracted from?
Aluminium oxide, Al2O3
Carbon Dioxide, CO2
Methane, CH₄
Silicon Dioxide, SiO2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
During electrolysis, what will the Aluminium Oxide split into?
Al3+ and O2-
Al and O
Al+ and O-
Aluminium and Oxide
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion will be attracted to the negative electrode (cathode)?
Al3+
O2-
Na+
H+
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion will be attracted to the positive electrode (anode)?
Al3+
O2-
H+
All of them
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the Oxygen ion arrives at the graphite (Carbon) anode, what gas will it form?
CO2
H2O
H2
O2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The positive Aluminium ions gain electrons, so they are ____?
(use OILRIG)
Oxidised
Reduced
Oxygenated
Riddled
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