The material X is a fossil fuel. It is formed from the buried large land plants
(vegetation) a very slow process Y. When X is heated in the absence of air then it gives
three products A, B and C. A is used as a reducing agent in the extraction of metals, B is
used as industrial fuel, where as the product C has been traditionally used for metalling
the roads. It is now replaced by a petroleum product, bitumen.
4.1 What is the material X?
4.2 What is the physical state of X?
4.3 Name the process Y.
4.4 What are the product A and C?
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coal and it state will solid and reduceding gas will co and co2
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