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| Q. |
The important metal used with iron to produce stainless steel is – |
| A. | Al |
| B. | Chromium |
| C. | Tin |
| D. | Carbon |
| Answer» B. Chromium | |
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Explanation: Stainless steel is an alloy of iron with chromium. Chromium prevents its from corrosion. Stainless steel differs from carbon steel by the amount of chromium present. |
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