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Applications of Electrolysis 2

Last updated about 1 year ago

6 questions

The Extraction of Aluminium

1

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2

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Question 1

1.

What is the name given to aluminium-containing compounds or ores?

Question 2

2.

What is the name of the process which is used to purify the aluminium ores before it can be used in the electrolytic cell?

Question 3

3.

What is the name of the purified aluminium compound which is used in electrolysis?

Question 4

4.

What is the purpose and benefit of adding cryolite to the electrolyte?

Question 5

5.

Drag the correct options into each category to explain the process at each electrode

Made of carbon
Made of platinum
Oxidation takes place
Reduction takes place
Oxygen gas is formed
Aluminium is formed
Carbon dioxide gas is formed as a by-product

Anode
Cathode

Question 6

6.

Why are there large initiatives to recycle aluminium?