Question 39
HardOriginal questionStainless steel does not rust easily because the iron in it is alloyed with
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
Stainless steel is iron with carbon plus chromium and nickel.
The chromium forms a thin, tough oxide film on the surface that stops the iron beneath from rusting.
- Concept
- Stainless steel
- Typical timeTypical
- 90 s
- Your timeYours
- —
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