1.

Destructive distillation of coal is carried out by heating coal strongly to \[\text{1000 }\!\!{}^\circ\!\!\text{ C}\] in the absence of air. The various useful products obtained are

A.  Crude oil, kerosene, naphtha and heavy oil
B.  Coke, coal gas, coal tar and ammonium compounds
C.  Coal gas, petroleum gas and lignite
D.  None of these.
Answer» C.  Coal gas, petroleum gas and lignite


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