Question

Stainless steel is very useful material for our life. In stainless steel, iron is mixed with

विकल्प

• Ni and Cr

• Cu and Cr

• Ni and Cu

• Cu and Au

Answer 1

Ni and Cr

Explanation - 

Stainless steel is an alloy of iron made by mixing different metals like about 11% of chromium, nickel, molybdenum and niobium etc. and carbon with a maximum concentration of about 1.2%.