5. Уравнение Al2O3 + 6H+ → 2Al+3 + 3H2O соответствует взаимодействию каждой пары веществ, кроме:

а)Al2O3 и HCl б)Al2O3 и HNO3

в)Al2O3 и NaOH г) Al2O3 и H2SO4
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