Question

The petroleum product that has replaced coal-tar for metaling the road is:

• A. Peat
• B. Bitumen
• C. Lignite
• D. Anthracite

Answer 1

The correct option is B

Bitumen

Step 1: Definition of coal tar:

Coal tar is a combination of distinct carbon compounds. It is a thick, black viscous liquid with an unpleasant smell that is formed by the destructive distillation of coal. It was used earlier for metaling the road but nowadays it has been replaced by bitumen.

Step 2: Replacement of coal tar by bitumen:

Bitumen is one of the petroleum products which is an oil-based substance. It is synthesized by the removal of lighter fractions from heavy crude oil in the process of refining petroleum. It is very useful in the road metaling process.

Final answer:

Hence, option (B) is correct.