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Monday, 31 August 2026
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Iron objects kept in dry air rust very slowly because dry air:

Iron objects kept in dry air rust very slowly because dry air:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Removes metallic coatings
  • B Prevents oxygen contact
  • C Contains little moisture
  • D Produces acidic gases
Correct Answer: Option C
Explanation:
Water or moisture is necessary for rusting. In dry air, the corrosion process becomes much slower.

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