chemical properties of acids, bases and metals

• Acid + metal → salt + hydrogen gas
• Acid + metal carbonate → salt + carbon dioxide + water
• Base + acid → salt + water (+ CO2 when base is a metal carbonate)
• Base + ammonium salt → salt + ammonia gas + water
• Metal + Oxygen → Metal Oxide
• Metal + Water → Metal Hydroxide + Hydrogen
• Metal + Steam → Metal Oxide + Hydrogen