Question

In petroleum refining , the method of separation
used is​

Answer 1

Explanation:

Deposition of petroleum occurs with natural gas in the rocks called oil wells from where it is taken out by drilling. Refining is a process where the separation of various compounds of crude oil occurs. Fractional distillation is a process used to separate its compounds.

Answer 2

In petroleum refining , the method of separation of petrol is done also known as Fractional distillation to get useful fractions of petrol.