O-LevelChemistryMetals & Reactivity5070/12 · May/June 2017 · Q291 Mark
Aluminium is used in the manufacture of aeroplanes. What is a property of aluminium and is also a reason for this use?
AIt has a low density.
BIt is a good conductor of electricity.
CIt is a poor conductor of heat.
DIt is covered in an unreactive layer of aluminium carbonate.
✓ Correct answer
A: It has a low density.
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