28. A material A is a fossil fuel which is extracted from earth. It is said to be
formed from the buried, large land plants, by a very slow process B. When
A is heated in the absence of air, it produce a product C, which is used as
the reducing agent in the extraction of metals. Identify A, B and C.
(a) A is petroleum , B is carbonisation , C is coal tar
(b) A is coal, B is carbonisation, C is coke
c) A is coal, B is carbonisation , C is coal gas
(d) A is petroleum , B is carbonisation , C is coke
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the correct answer is b from my side plz mark as best hope will help u
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