Question

Across

5. Used in Pencil lead

10. Hydrogen and carbon

14. Similar chemical properties

1. Unsaturated hydrocarbon

3. Decolourising agent

7. Better fuel than wood

11. Pigment and colouring matter

6. Bucky ball

12. Amorphous carbon

9. Saturated Hydrocarbon

15. Crystalline forms of carbon

2. Used in production of water gas

4. Forming long chains 8. Four carbon atoms

13. Free state of carbon which is mainly used in production of electricity

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Answer 1

Answer:

5 graphite

10 hydrocarbon

14 allotrophs

1 benzene

7 ethene

4 catenation

8 tetravalency