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1. Aluminium is lighterthan iron.
2. Aluminium is the most abundant metal available in the earth.
3. Iron is magnetic and Aluminium is nonmagnetic
4. Aluminium has an atomic number of 13 and an atomic weight of 26.981539 g mol, Iron has an atomic number of 26 and an atomic weight of 55.845 g mol.
5. Iron has a higher boiling and melting point than Aluminium.
6. Aluminium is more expensive than Iron.
7. Aluminium is a better conductor of electricity and more ductile than Iron.

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-iron is heavier
-iron was used from prehistoric times, aluminium is more recent.
-iron is magnetic, aluminium is not
-iron has higher boiling, melting points
-more corrosion resistant than iron
-iron cheaper than aluminium
-availability, iron is easily available , aluminium is not
-aluminum is a normal metal, iron a transition metal
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what is the meaning of : iron is easily available , Al is not
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