| ammonium hydroxide decomposes | ammonia gas and water |
| metallic oxides and water react | metallic hydroxides and hydrogen gas |
| nonmetallic oxides and water react | acids |
| metallic carbonates decompose | metallic oxides and carbon dioxide gas |
| metallic hydrogen carbonates decompose | metallic oxides, water and carbon dioxide gas |
| ammonium carbonate decomposes | ammonia gas, water, and carbon dioxide gas |
| group I metals and water react | metallic oxides and hydrogen gas |
| sulfurous acid decomposes | sulfur dioxide gas and water |