Separating Crude Oil - Jordan Saphir Flashcards Preview

GCSE Chemistry 11L1 > Separating Crude Oil - Jordan Saphir > Flashcards

Flashcards in Separating Crude Oil - Jordan Saphir Deck (10)
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0

What do we call the compounds that contain only carbon and hydrogen atoms?

Hydrocarbons

1

Is the top of an oil fractionating column hotter or colder than the bottom of an oil fractionating column?

The top is colder than the bottom of the column

2

What happens to a liquid during its separation from a mixture by distillation?

It evaporates and then condenses

3

In comparison to large hydrocarbons, how would you describe small hydrocarbons?

They are more volatile

4

What is the general formula for alkanes?

CnH2n+2

5

Are alkanes saturated or unsaturated?

They are saturated

6

Where are the most viscous hydrocarbons likely to leave the fractionating column at?

The bottom

7

Are alkenes saturated or unsaturated?

Unsaturated

8

What is the general formula of alkenes?

CnH2n

9

What is the name by which we separate crude oil into useful components?

Fractional distillation