Amphoteric Oxide Forming Metal

Central Board of Secondary Education 2026 Slot 1 · CHEM · Easy · Metals and Non-metals · 1 mark

Although most of the metals form basic oxides, which of the following metals forms an amphoteric oxide?

  1. A.

    Na

  2. B.

    Ca

  3. C.

    Al

  4. D.

    Cu

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