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Q1 / 10
Using Resources
Foundation
2 marks
Why is it better to recycle aluminium than to extract it from its ore?
A
Recycling uses far less energy (about 5%) than electrolytic extraction from bauxite
B
Recycled aluminium is purer than freshly extracted aluminium
C
Electrolytic extraction of aluminium produces toxic gases
D
Aluminium ores are too rare to be mined
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