Multiple choice

The process of separation of petroleum into its constituents is called _________.

  1. Ultra-filtration

  2. Purification

  3. Separation

  4. Refining

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Refining is the industrial process of separating crude oil into its various useful components, such as gasoline, diesel, and kerosene, based on their different boiling points.