The name of the material coating the iron is copper metal.
Copper metal is used for coating because it prevents the iron from not getting rusted quickly.
Therefore, the name of the material coating the iron is copper metal.
Blue copper sulphate is composed of the elements Fe and CuSO4. When a nail is maintained in it, Fe—which is more reactive than copper—displaces copper from copper sulphate and creates ferrous sulphate, which is greenish blue, and the copper—which is more reactive than copper—displaces deposits surrounding nails, giving it a reddish-brown colour.
On the Periodic Table of Elements, copper is the 29th element. It is regarded as a semi-precious, nonferrous, malleable metal with countless uses in the fields of electrical and electronics, plumbing, building construction and architecture, business, transportation, and consumer and health items.
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