Science, asked by shubhsaxena142, 1 month ago

Below are the steps showing how refining of petroleum is carried out, but in the wrong sequence.

Arrange them in the correct sequence. [3]

A The hydrocarbons with the highest boiling points condense first.

B They get separated in the fractionating tower to form the different fractions.

C Crude oil is first heated to about 400 °C in a furnace.

D The vapours formed are passed into a tall fractionating tower.

E Vapours get collected near the base of the fractionating tower.

F As the vapour rises, the hydrocarbons with lower boiling points condense at different heights




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Answers

Answered by rajeevkumar3232
0

Answer:

cd are answer

Explanation:

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