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Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations1 Mark
MCQ
Iron gets rusted due to formation of :
  • ✓
    $\mathrm{Fe}_2 \mathrm{O}_3 \cdot \mathrm{H}_2 \mathrm{O}$
  • B
    $\mathrm{Fe}_2 \mathrm{O}$
  • C
    $\mathrm{Fe}_3 \mathrm{O}_4$
  • D
    $\ce{FeO}$
✓

Answer

Correct option: A.
$\mathrm{Fe}_2 \mathrm{O}_3 \cdot \mathrm{H}_2 \mathrm{O}$
Iron gets rusted due to formation of $\mathrm{Fe}_2 \mathrm{O}_3 \cdot \mathrm{H}_2 \mathrm{O}$.

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