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6. What is formed when and acid reacts with a hydroxide?

  • salt and hydrogen
  • hydrogen and water
  • salt and water
  • oxygen, hydrogen and salt

7. What is formed when an acid reacts with ammonia?

  • ammonium salt
  • they don't react
  • ammonium salt and water
  • ammonium salt and hydrogen

8. What is formed from heating a metal carbonate?

  • metal oxide and carbon dioxide
  • metal and carbon dioxide
  • oxygen, metal and carbon
  • metal and carbon

9. What is formed when an acid reacts with a carbonate?

  • salt and water
  • salt, water and carbon dioxide
  • salt and carbon dioxide
  • carbon dioxide and water

10. What is the formula for hydrogen carbonate ion?

  • HCO3-
  • HCO
  • HCO3
  • HCO2-

11. What is the formula for silver nitrate?

  • AgN
  • AgNO3
  • AgNO2
  • AgN2O

12. What is the formula for phosphoric acid?

  • HPO4
  • HPO
  • H3PO4
  • H3P

13. What is formed when a substance reacts with oxygen?

  • carbon dioxide
  • oxides
  • hydrogen
  • they don't react

14. What is formed when an acid reacts with a hydrogen carbonate?

  • salt, water and carbon dioxide
  • salt, hydrogen and carbon dioxide
  • salt and hydrogen
  • salt and carbon dioxide

15. What is the process of breaking down a metal carbonate called ?

  • heat decomposition
  • it has no special name
  • thermal decomposition
  • thermal destruction