_______ [HCl /NaOH] reacts with Al2O3 but not with copper oxide.
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hlo.mate
Explanation:
The Al-purity makes the (main) difference. Commercial Al-foil is not so pure (~ 99%) as your (very pure? >99.95%[1]) Al-wire. The impurities of the surface Al2O3 are correlated with the bulk. Common impurities[2] in commercial Al-foils are Copper, Manganese, Silicon, Magnesium, Zinc etc. Also, the impurities in recycled[3] Al-foils have very much higher level
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Answer ❤️!.
Hcl is the Answer ❤️!
Hope it's help uh ❤️!.
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