Question

Al2O3 = Al = Al(Oh)3 = Na3 [Al ( OH) 6]

Answer 1

Al2O3 + 3Mg = 3MgO + 2Al

2Al + 6HCl = 2AlCl3 + 3H2

AlCl3 + 3NaOH = Al(OH)3 + 3NaCl

Al(OH)3 + 3NaOH = Na3[Al(OH)6]