Write the reaction equation: AI- AI2O3- AICI- AI (OH) 3- AI2O3- AI (NO3) 3

1) 4Al + 3O2 = 2Al2O3 (when aluminum interacts with oxygen, aluminum oxide is formed);

2) Al2O3 + 6HCl = 2AlCl3 + 3H2O (when aluminum oxide interacts with hydrochloric acid, aluminum chloride and water are formed);

3) AlCl3 + 3NaOH = Al (OH) 3 + 3NaCl (when aluminum chloride interacts with sodium hydroxide, aluminum hydroxide and sodium chloride are formed);

4) 2Al (OH) 3 = Al2O3 + 3H2O (when heated, aluminum hydroxide decomposes into aluminum oxide and water);

5) Al2O3 + 3N2O5 = 2Al (NO3) 3 (when aluminum oxide interacts with nitrogen oxide (V), aluminum nitrate is formed).