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Question

Stainless steel is an alloy in which of the following is added along with iron?

A
Zinc
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B
Chromoium
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C
Tin
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D
Cupper
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Solution

The correct option is B Chromoium

Chromium is added into iron. Chromium is a highly reactive element and accounts for the “passive” nature of all stainless steels. The resistance to the chemical effects of corrosion and the typical “rusting” (oxidation)that occurs with unprotected carbon steel, is the direct result of the presence of chromium. The higher the chromium level the greater the protection.


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