A =AL B =NAALO2 C =AL(OH)3 D = AL2O3 AL2O3+3C=3CO+2AL4AL+3O2=2AL2O32AL+2NAOH=2NAALO2+H22NAALO2+CO2+3H2O=2AL(OH)3+NA2CO32AL(OH)3=AL2O3+3H2OAL2O3+2NAOH=2NAALO2+H2O