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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
MCQ
A common metal which is highly resistant to corrosion is :
  • A
    Iron.
  • B
    Copper.
  • ✓
    Aluminium.
  • D
    Magnesium.
✓

Answer

Correct option: C.
Aluminium.
Aluminium is resistant to corrosion due to the formation of a thin oxide layer $($aluminium oxide or $\mathrm{Al}_2 \mathrm{O}_3). $ This prevents further corrosion by creating a strong protective layer over the surface of the metal.

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