Question

how is iron different from copper and aluminium?​

Answer 1

The brown coating on the iron nail shows that copper is deposited on the iron nail by displacing iron. ... This shows that iron is more reactive than copper, as Fe2+ ions have displaced Cu2+ ions from copper sulphate solution. And there atomic numbers and masses are also different.

Answer 2

Answer:

Hii

Explanation:

Copper wire is heavier, and aluminum is lighter and silver grey. The other main difference between copper and aluminum wires is the resistance of the material. ... Copper not only has a higher conductivity than aluminum, but is more ductile, with relatively high tensile strength, and can be soldered...