The energy stroed in the fossil fuels is :
heat energy
electrical energy
chemical energy
mechanical energy
C.
chemical energy
The major constituents of coal gas are
carbon monoxide, hydrogen
methane + hydrogen
methane
carbon monoxide + methane
B.
methane + hydrogen
The major constituent of natural gas is/are
butane
methane
methane + hydrogen
ethane
B.
methane
The product not obtained from coal is
coke
coal tar
coal gas
petroleum
D.
petroleum