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Discussion :: Chemistry

  1. Which among the following metals provides amphoteric oxide ?

  2. A.

     Sodium

    B.

     Silver

    C.

     Aluminium

    D.

     Calcium

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    Answer : Option C

    Explanation :

    In chemistry, an amphoteric compound is a molecule or ion that can react both as an acid and as a base. Many metals (such as copper, zinc, tin, lead, aluminium, and beryllium) form amphoteric oxides or hydroxides. Amphoterism depends on the oxidation states of the oxide.


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