Question

what is Col tar and cPal gas​

Answer 1

Explanation:

Coal tar is a thick dark liquid, which is a by_product of the production of coke and coal gas. It has both Medical and Industrial uses.

Answer 2

Explanation:

Coal gas, gaseous mixture—mainly hydrogen, methane, and carbon monoxide—formed by the destructive distillation (i.e., heating in the absence of air) of bituminous coal and used as a fuel. ... Coal tar and coke (qq.v.) are obtained as by-products.