The petroleum is mainly composed of ………
a) wood
b) hydrocarbons
c) soil
d) stone
Origin of Petroleum:-
Chinese used petroleum as fuel as early as …………..B.C
a) 200
b) 300
c) 400
d) 500
There are………….. theories about the origin of petroleum.
a) 5
b) 2
c) 7
d) 3
The inorganic origin theory of petroleum was put forward by …………..chemist.
a) Russian
b) Pakistani
c) American
d) Japanese
The inorganic origin theory was put forward by ……………
a) Faraday
b) Guldberg
c) Peter
d) Mendeleev