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Question

In fractional distillation, which of the following phenomenon is used in seperating the different products of petroleum?

A
Gravity seperation
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B
Centrifugation
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C
Sublimation
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D
Condensation
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Solution

The correct option is D Condensation
When petroleum (made of different substances) is heated in the abscence of oxygen, the hot gases emerge into the fractional column, where depending on their temperatures of condensation, each of them gets condensed (gas to liquid) to form different products like kerosene, petrol, diesel, etc.

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