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What are the uses of bitumen, paraffin wax and lubricating oil.
(i) Bitumen : It is used in paints as well as in road surfacing.
(ii) Paraffin Wax : It is used in making ointment, candles, vaseline, etc.
(iii) Lubricating Oil : It is used in the process of lubricating of machine parts.
Name the petroleum product used for surfacing of roads.
Describe how coal is formed from dead vegetation. What is this process called?
Fossil fuels are ________, ________ and ________.
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.
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