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Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations1 Mark
MCQ
Rust is :
  • A
    Ferric oxide
  • ✓
    Hydrated ferric oxide
  • C
    Hydrated ferrous sulphate
  • D
    None of these
✓

Answer

Correct option: B.
Hydrated ferric oxide
Rust is hydrated ferric oxide $\mathrm{Fe}_2 \mathrm{O}_3 \cdot \mathrm{nH}_2 \mathrm{O}$.

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