Tick True/False against the following statements.
(a) Fossil fuels can be made in the laboratory. (T/F)
(b) CNG is more polluting fuel than petrol. (T/F)
(c) Coke is almost pure form of carbon. (T/F)
(d) Coal tar is a mixture of various substances. (T/F)
(e) Kerosene is not a fossil fuel. (T/F)

a. F - These are made naturally under the earth in thousands of years.
b. F - C.N.G. is compressed methane which is least polluting of all fuels.
c. T - It is the purest form of carbon.
d. T - It is a mixture of coal, phenols, benzene and other chemicals.
e. F - It is one of the products of distillation of petroleum products.