The gas which occurs above the petroleum oil trapped under the rocks is called __________.
The gas which occurs above the petroleum oil trapped under the rocks is called :
(a) biogas
(b) petroleum gas
(c) natural gas
(d) coal gas
Which of the following is not obtained as a fraction during the refining of petroleum ?
(a) kerosene
(b) natural gas
(c) lubricating oil
(d) bitumen
A gas which obeys the ____________ under all conditions of temperature and pressure is called an ideal gas.
State one use each of the following products of petroleum :
(a) Petroleum gas
(b) Petrol
(c) Diesel
(d) Lubricating oil
(e) Bitumen