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Metals and Non-Metals — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMetals and Non-Metals1 Mark
Question
Although metals form basic oxides, which of the following metals form an amphoteric oxide?
  1. Na
  2. Ca
  3. Al
  4. Cu
✓

Answer

  1. Al

Explanation: Some of the metals like Aluminium (Al) metal forms amphoteric oxide (A12O3) which can behave like acid as well as base.

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