Question

the residual by product of the destructive distillation of coal is

Answer 1

Answer:- Destructive distillation refers to the heating of the substance in absence of air. When destructive distillation of coal is carried out, coke, coal tar, ammonia gas and coal gas are formed. Coke is the black residue left as by product. It is used not only as fuel but as a reducing agent in metallurgy like Zinc or Iron. Destructive distillation is these days carried out mainly for coal and no other substance because of the many useful by products

Answer 2

Answer:

Coke is the correct answer

Explanation: