Q. The rusting of iron metal in air needs both

  • (A) Carbon dioxide and Moisture
  • (B) Water and Paint
  • (C) Oxygen and grease
  • (D) Oxygen and Moisture
✅ Correct Answer: (D) Oxygen and Moisture

Published by Admin ⭐ 38.37K Points at 23-Jan-2021 08:26 am in Science

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