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)
Fill in the blanks.
(a) Fossil fuels are , and .
(b) Process of separation of different constituents from petroleum is
called .
(c) Least polluting fuel for vehicle is .
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