Multiple choice

Stainless steel is

  1. an element

  2. a compound

  3. a mixture of non-metals

  4. a metal alloy
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Stainless steel is an alloy (mixture) primarily composed of iron, carbon, and chromium (minimum 10.5%). The chromium forms a protective oxide layer that prevents rust and corrosion. It is not a pure element, nor a compound, nor a mixture of only non-metals.

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