Question

petroleum is refined by
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Answer 1

Answer:

Petroleum Refining Process

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

Answer:

Ans. fractional distillation

Explanation:

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