What is the natural gas?
Natural gas is a hydrocarbon,it is made up of compounds of hydrogen and carbon. Natural gas is a flammable gas, consisting largely of methane and other hydrocarbons. It occurs deep inside the earth either alone or covering the crude oil in an oil-field is called natural gas.
Write down the full name of CNG.
Why is petroleum called black gold?
Where does petroleum occur?
Name any two constituents of petroleum which are not used as fuels.
