Question

1. A thick black liquid obtained by destructive distillation of coal ?
2. It is used in extraction of metals from their ores ?​

Answer 1

Answer:

(2) Coal tar (liquid): Coal tar is a mixture of different carbon compounds. It is a thick, black liquid with an unpleasant smell. The fractional distillation of coal tar gives us many chemical substances which are used in the preparation of dyes, explosives, paints,