C2.6 Carbon and its Compounds

1. Describe Carbon (IV) oxide gas

2. Describe the characteristics of Graphite

3. What is observed when a mixture of carbon and some metals oxides are heated?

4. What makes graphite a good lubricant of fast-moving machines which generate a lot of heat?

5. Carbonates are salts of metal ions or ammonium ions with carbonate ions. True or False

6. How does Carbon react with concentrated Nitric (V) acid?

7. What makes graphite a good conductor of electricity and a good electrode?

8. What is the action of heat on carbonates and hydrogen carbonates?

9. Explain the products formed when carbonates and hydrogen carbonates react with dilute acids

10. Name the allotrope of carbon which is stable, colorless, transparent and shiny crystalline solid

11. Mention the uses of Carbon (IV) oxide

12. Mention the chemical properties of carbon (II) oxide

13. Name the allotrope of carbon which is black, soft and slippery crystalline solid

14. Which allotrope of carbon has a giant atomic structure in which layers are held together by Van der Waals forces?

15. Which of the following is not an example of amorphous carbon?

16. Which allotrope of carbon has a giant atomic structure in which carbon atom is bonded to four other carbon atoms to form a regular tetrahedron shape?

17. Describe Carbon (Ii) oxide

18. An impure form of carbon is called

19. How is Carbon (II) oxide produced in the Lab? By dehydrating Methanoic acid using concentrated Sulphuric (VI) acid?                                               

20. Mention the two common allotropes of carbon

21. How does Carbon react with concentrated sulphuric acid?

22. Describe the physical properties of Carbon (II) Oxide.

23. What is formed when carbon burns in oxygen?

24. Fullerene is a synthetic allotrope of carbon. True or False

25. Allotropy is the existence of an element in more than one form in the same physical state. True or False

26. Mention the properties of Carbon (IV) oxide gas

27. Describe the characteristics of Diamond

28. How is carbon (IV) oxide prepared in the Lab?