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What is coal gas? Name its constituents.
The gases product obtained by the destructive distillation of coal is called coal gas. The constituents of coal gas are hydrogen, methane and carbon monoixde.
Process of separation of different constituents from petroleum is called __________.
Least polluting fuel for vehicle is ________.
Fossil fuels can be made in the laboratory.
CNG is more polluting fuel than petrol.
Coke is almost pure form of carbon.
Coal-tar is a mixture of various substances.
Kerosene is not a fossil fuel.
Explain why fossil fuels are exhaustible natural resources?
Describe characteristics and uses of coke.
Explain the process of formation of petroleum.
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