Question

The material A is a fossil fuel which is extracted from the 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 in a process C, then it gives three products D, E, and F. The product D is used as a reducing agent in the extraction of metals, the product E is used as an industrial fuel whereas the product F has been traditionally used for metalling the roads. a. What could material A be? b. What is (i) physical state, and (ii) color of A? c. Name the processes (i) B, and (ii) C d. What are (i) D, (ii) E, and (iii) F?

Answer 1

Answer:

Product A is coal

It is a solid and black in coloration

The process B is Carbonisation, and C is the destructive distillation of coal

Product D is coke

E is coal gas

and F is coal tar

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Answer 2

Answer:

Product A is coal

It is a solid and black in coloration

The process B is Carbonisation, and C is the destructive distillation of coal

Product D is coke

E is coal gas

and F is coal tar

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