Question

III. GIVE ONE WORD :-(10x1=10)
petrole



7. Coal, petroleum, and natural gas are examples of :-
8. Natural gas mainly consists of :-
9. Hobart gas contains :-
10. Process of petroleum refining :-​

Answer 1

Answer:

1. fossil fuels.
2. methane
3. Biogas (gobar gas) is primarily methane (CH4 ) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2 S), moisture and siloxanes.
4. Petroleum refining or Oil refining is an industrial process in which crude oil is extracted from the ground and transformed and refined into useful products like Liquefied Petroleum Gas (LPG), kerosene, asphalt base, jet fuel, gasoline, heating oil, fuel oils etc.