coal and petroleum is which subject in science
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(a) Fossil fuels can be made in the laboratory. (b) CNG is more polluting fuel than petrol. (c) Coke is an almost pure form of carbon. (d) Coal tar is a mixture of various substances.
(a) Fossil fuels can be made in the laboratory. (b) CNG is more polluting fuel than petrol. (c) Coke is an almost pure form of carbon. (d) Coal tar is a mixture of various substances.science
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