Question

why are iron and steel object ofen coated with a layer of chromium

Answer 1

Explanation:

According to the present invention steel or iron substrates are coated with a metal layer, substantially consisting of chromium. This chromium layer is in the ductile state. In this way the excellent corrosion properties of the chromium are utilized at the same time as the coated material is ductile........

Answer 2

• Chromium doesn't corrode easily as it is not very reactive with oxygen.

• it protects it and gives it a better appearance.

Thats why chromium is much preferred for coating on steel and iron objects .

hope it helps u !!