Stainless steel contains___________?
Correct answer: A. Fe+Cr+Ni
- A. Fe+Cr+Ni
- B. Fe+Ni+Cu
- C. Fe+ Cr+Cu
- D. Cu+C+Ni
Explanation
The conventional composition of stainless steel is iron alloyed with chromium and usually nickel; chromium forms a thin protective oxide film that gives corrosion resistance. The likely trap is Fe + Cr + Cu, but copper is not the standard third component named for stainless steel in this basic classification.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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