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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
Chemically rust is:
  • A
    Hydrated ferrous oxide
  • B
    Hydrated ferric oxide
  • C
    Only ferric oxide
  • D
    None of these
✓

Answer

  1. Hydrated ferric oxide

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