how to separate ZnO and CuO using a base?

2 ⤊

2006-10-04 05:43:38 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

ZnO reacts with KOH, NaOH since it is amphoteric. CuO does not react.

2006-10-04 05:47:25 · answer #1 · answered by astrokid 4 · 1⤊ 0⤋

Simple.

ZnO is amphoteric - both acidic and basic, and thus will react with a base (e.g NaOH),
while CuO doesn't, because it isn't.

2006-10-04 05:50:40 · answer #2 · answered by chemistry_freako 3 · 1⤊ 0⤋