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

1. Ni and Cr
2. Cu and Cr
3. Ni and Cu
4. Cu and Au

Correct answer: (a) Ni and Cr    

Explanation: Stainless steel is an alloy of iron, chromium, and nickel. It is a strong and tough alloy and does not corrode easily.

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Updated on: 10-Oct-2022

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