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JAMB Chemistry 2022 Question 40

Question 40

Metals and their Compounds

Stainless steel consists of

  1. A.carbon, iron and lead
  2. B.carbon, iron and chromium
  3. C.carbon and iron only
  4. D.carbon, iron and copper
Show the answer and explanation

Answer: B (carbon, iron and chromium)

Explanation

Stainless steel is iron with carbon and chromium (often nickel too); chromium stops rusting.