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 called 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 where

as the product F has been traditionally used for metalling of roads.

a) What could material A be?

b) What is (i) physical state, and (ii) colour of A?

c) Name the process (i) B, and (ii) C.

d) What are (i) D, (ii) E, and (iii) F?​

Answer 1

Answer

A=coal    , B = coalification , C = destructive distillation of coal , D = coke ,E = coal gas , F = coal tar

Explanation:

a) coal

b) i > solid   ii> black

c)  B= coalification    ,    C=  destructive distillation of coal

d)   D = coke ,E = coal gas , F = coal tar