Multiple choice What is a refinery? It is the place where oil gets refined. It is the first stage of oil refining. It is the process of converting large hydrocarbon molecules into smaller ones. The process of taking out petrol from the earth. None of the above Reveal answer Fill a bubble to check yourself B Correct answer Explanation No, it is incorrect as refinery is a place not a process. The first stage of oil refining, i.e., crude processing, is known as distillation.