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Question

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

A
Ni and Cr
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B
Cu and Cr
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C
Ni and Cu
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D
Cu and Au
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Solution

The correct option is A Ni and Cr
Stainless steel consists of iron plus 17% chromium and 4.5% nickel. This formula has 6.5% manganese to partially substitue for the lower nickel content.

Stainless steel is highly resistant to rusting.

Option A is correct.

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