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) colour of A?
c. Name the processes (i) B, and (ii) C
d. What are (i) D, (ii) E, and (iii) F?

Answer 1

Explanation:

Coal And Petroleum The material A is a fossil fuel which is expected 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. ... (d) (i) Coke, (ii) Coal gas, (iii) Coal tar.

Answer 2

Answer:

Coal And Petroleum The material A is a fossil fuel which is expected 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. ... (d) (i) Coke, (ii) Coal gas, (iii) Coal tar.