Stainless steel is an alloy made up of

JAMB Chemistry 2023 160 views
Source: JAMB · 2023

Stainless steel is an alloy made up of

  1. Iron and zinc
  2. Iron and hydrogen
  3. Iron and chromium ✓
  4. Copper and tin
Explanation

Stainless steel contains iron and chromium. Chromium prevents rust by forming a protective layer. Most stainless steel has 10-30% chromium.

Iron and zinc make galvanized steel. Copper and tin make bronze. Neither resists rust like stainless steel.

Remember: Chromium gives stainless steel its shine and rust resistance.

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