Compounds found in which of the following products are removed from the bottom of the fractional distillation tower used in the refining of petroleum?
A) asphalt
B) lubricating oil
C) fuel oil
D) gasoline

Question

Quizplus · Accepted Answer

Asphalt is the heaviest and most viscous compound found in petroleum, so it has the highest boiling point and is removed last, from the bottom of the fractional distillation tower. Lubricating oil, fuel oil, and gasoline are lighter compounds and are removed from higher up in the tower.

Compounds Found in Which of the Following Products Are Removed