Question

what is the difference between coal tar ,bitumen & bituminous coal

Answer 1

Coal tar is a black, thick liquid with an unpleasant odor obtained from coal. It is a mixture of about 200 substances and it is used in the manufacturing of synthetic dyes, drugs, naphthalene balls, explosives, plastics, perfumes, paints, photographic and roofing materials etc.

Bitumen is a petroleum product which is used instead of coal-tar for making of roads.

There are four principal type of coal :

(1) Peat

(2) Lignite

(3) Bituminous

(4) Anthracite

Thus, bituminous is a type of coal. It is a higher quality coal than peat and lignite but lower quality than anthracite.