C-10-Q027mediumsingle_mcqAl2O3⋅2H2O+2NaOH→?\mathrm{Al_2O_3 \cdot 2H_2O + 2NaOH \to ?}Al2O3⋅2H2O+2NaOH→?aNaAlO2+H2O\mathrm{NaAlO_2 + H_2O}NaAlO2+H2Ob