Stainless steel is very useful material for our life. In stainless steel, iron is mixed with
(a) Ni and Cr
(b) Cu and Cr
(c) Ni and Cu
(d) Cu and Au
Ans. (a)
Stainless steel: Iron (Fe) is mixed with Nickel (Ni), Chromium (Cr) and Carbon (C).
It contains approximately 17% chromium, and 10% nickel and a very less amount of carbon.
Therefore option (A) is correct