1. Aluminum and hydrochloric acid: aluminum reacts with hydrochloric acid to generate aluminum chloride and hydrogen.
2. Aluminum and sulfuric acid: aluminum reacts with sulfuric acid to generate aluminum sulfate and hydrogen.
3. Aluminum and sodium hydroxide: aluminum reacts with sodium hydroxide solution to generate sodium aluminate and hydrogen.
4. Aluminum hydroxide: It is decomposed into aluminum oxide and water by heating.
5. Aluminum sulfate and ammonia: aluminum sulfate reacts with ammonia to generate aluminum hydroxide and ammonium sulfate.
6. Alumina reacts with hydrochloric acid to generate aluminum chloride and water.
7. Alumina reacts with sodium hydroxide to produce sodium aluminate and water.
8. Aluminum chloride and sodium hydroxide: aluminum chloride reacts with sodium hydroxide to produce aluminum hydroxide and sodium chloride.
9. Aluminum hydroxide and sodium hydroxide: aluminum hydroxide reacts with sodium hydroxide to produce sodium aluminate and water.
10. Aluminum chloride and sodium hydroxide: aluminum chloride reacts with sodium hydroxide to produce sodium aluminate and water.
11. Sodium metaaluminate reacts with hydrochloric acid to produce aluminum hydroxide and sodium chloride.
12. Sodium hydroxide reacts with hydrochloric acid to produce sodium chloride and water.
13. Sodium metaaluminate reacts with hydrochloric acid to generate aluminum chloride and water.