Reactions

• Metals Reaction With Dilute HCL or H2So4:

  1. Violent reaction forming salt and hydrogen - K, Na
  2. Vigorous reaction forming salt and hydrogen - Ca, Mg
  3. React forming salt and hydrogen - Al, Zn, Fe
  4. No reaction - Pb, Cu, Ag
• Reduction of Metals Oxide With C02 or C0:

  1. Not reduced - K, Na, Ca, Mg, Al
  2. Reduced at high temperatures forming metal and carbon dioxide - Al, Zn, Fe
  3. Reduced forming metal and carbon dioxide - Pb, Cu, Ag
• Reduction Of Metals Oxide With H:

  1. Not Reduced - K, Na, Ca, Mg, Al, Zn
  2. Reduced forming metal and steam - Fe, Pb, Cu, Ag
• Metals Reaction with water or steam:

  1. React with cold water, forming hydroxide and hydrogen - K, Na, Ca
  2. React with steam forming oxide and hydrogen - Mg, Al, Zn, Fe
  3. No reaction - Pb, Cu, Ag
• Metals reaction with air or oxygen:

  1. Burn very easily forming oxide - K, Na, Ca, Mg
  2. Burn, especially if powdered, forming oxide - Al, Zn, Fe
  3. Do not burn forming oxide when heated strongly - Pb, Cu
  4. No reaction - Ag
• Metal Compounds When heated [nitrate]

  1. Decompose forming meta nitrite and oxygen - K, Na
  2. Decompose, forming metal oxide, nitrogen oxide and oxygen - Ca, Mg Al, Zn, Fe, Pb, Cu
  3. Decomposes forming metal, nitrogen dioxide and oxygen - Ag
• Metal Compounds When Heated [ carbonate ]:

  1. Stable, not decomposed - K, Na
  2. Decompose forming metal oxide and carbon dioxide - Ca, Mg, Al, Zn, Fe, Pb, Cu
  3. Unstable - Ag
• Metal Compounds When Heater [ hydroxide ]:

  1. Stable, not decomposed - K, Na
  2. Decompose forming metal oxide and water as steam - Ca, Mg, Al, Zn, Fe, Pb, Cu
  3. No hydroxide exists - Ag