KnowraDestructive distillationLinked fromLinked fromThe 3 pages that link to Destructive distillation, each with the reason it gives.All 3Related 2Narrower topic 1Coal tarRelated: Coal tar forms during the oxygen-limited heating of coal.Coal gasRelated: Heating coal without air released the gas while leaving coke and coal tar behind.Pine tarNarrower topic: Pine tar forms as volatile compounds from heated pine wood condense into a dark liquid.