Please answer these question for me..............
1. Name some useful products obtained from coal.
2. Which gas was used for street lighting in London in 1810?
3. Which fuel is used to run heavy motor vehicles?
4. Name the fuel which is used to run light automobiles.
5. Name the gas which always collects above petroleum
6. Which gas is used in the production of fertilizers?
7. Name the natural resource from which petrol and diesel are obtained.
8. What is petroleum?
9. Define the term refining.
10. What do you mean by PCRA?
I need the answers as soon as possible............ cuz its a little urgent!