Acid + Reactive metal
Salt + Hydrogen gas (H2)
Acid + Base
Salt + Water
Acid + Metal oxide (bases)
Salt + Water
Non-metal oxide (acid) + Base
Salt + water
Acid + Carbonate
Salt + Water + Carbon dioxide
Acid + Hydrogencarbonate (or Bicarbonate)
Salt + Water + Carbon dioxide
Base + Acid
Salt + Water
Base + Ammonium salt
Ammonia gas + Water + Salt
Acid + sulfide
Salt + Hydrogen sulfide gas (H2S)