Question

Dyes are used for coloring various materials like cloth and plastic. Starting material for dyes are obtained from:

• A. asphalt
• B. coal tar
• C. baking ovens
• D. zinc

Answer 1

The correct option is B coal tar

Coal tar is a black thick liquid that has an unpleasant smell. It is a mixture of various substances (over 200 ). The products obtained from coal tar are used in the manufacture of various new substances like synthetic $\text{dyes}$, perfumes, paints, explosives, drugs, etc.

Option $B$ is correct.