Question

Option 15
Stainless steel is very useful material for our life. In stainless steel, iron is mixed with
(a) $\text{Ni}$ and $\text{Cr}$
(b) $\text{Cu}$ and $\text{Cr}$
(c) $\text{Ni}$ and $\text{Cu}$
(d) $\text{Cu}$ and $\text{Au}$

Answer 1

Option (a) is correct.
Stainless steel is an alloy of iron containing other elements such as chromium, nickel, molybdenum, silicon, and carbon.