1. Minerals are

2. Petroleum is mainly a mixture of which one of the following class?

3. Which one is not a coal product?

4. Which one of the following is a petrochemical?

5. Conversion of dead vegetation into coal is called

6. Full form of LPG

7. A natural gas stored under high pressure is called

8. Name the petroleum product used for surfacing of road

9. Products obtained by the process of destructive distillation are

10. The mining of oil under sea is termed as