Stainless steel is an alloy made up of

JAMB Chemistry 2023 53 views

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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