Which of the following metals forms an amphoteric oxide?

  • A
    $Ca$
  • B
    $Fe$
  • C
    $Cu$
  • D
    $Zn$

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Similar Questions

The correct order of hydration enthalpies of alkali metal ions is

Match the following:
Elements Ore
$1$. Lithium $a$. Beryl
$2$. Sodium $b$. Spodumene
$3$. Beryllium $c$. Gypsum
$4$. Calcium $d$. Carnallite

Which of the alkali metal chloride $(MCl)$ forms its dihydrate salt $(MCl.2H_2O)$ easily?

Among $KO_2$,$AlO_2^-$,$BaO_2$,and $NO_2^+$,in which species is an unpaired electron present?

What is the primary purpose of the Dow's process?

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