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Shyam Dubey • 3.70K Points
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Q. Which of the following elements forms rust when exposed to air and moisture?

  • (A) Copper
  • (B) Iron
  • (C) Aluminium
  • (D) Silver
  • Correct Answer - Option(B)
  • Views: 1
  • Filed under category Chemistry
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Explanation by: Shyam Dubey
Iron reacts with oxygen and moisture to form hydrated iron oxide, commonly called rust.

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