fractional distillation

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In the fractional distillation of crude oil, where is the hottest part of the fractionating column?
The bottom
1 of 10
Which fraction leaves the tower at the very top?
Refinery gases
2 of 10
Which is a use for kerosene (paraffin)?
Aeroplane fuel
3 of 10
Where do the longest hydrocarbon molecules condense?
At the bottom of the tower
4 of 10
Which fractions are the hardest to ignite?
The longest molecule
5 of 10
Which is the main compound in natural gas?
Methane
6 of 10
What was coal originally formed from?
Coal was formed from the remains of trees that were buried in such a way that they could not decompose normally
7 of 10
What type of molecule is used as the starting point in cracking?
A large hydrocarbon molecule
8 of 10
What conditions are used for cracking?
high temperature, catalyst
9 of 10
What are the typical products of cracking?
A short alkene and short alkane
10 of 10

Other cards in this set

Card 2

Front

Which fraction leaves the tower at the very top?

Back

Refinery gases

Card 3

Front

Which is a use for kerosene (paraffin)?

Back

Preview of the front of card 3

Card 4

Front

Where do the longest hydrocarbon molecules condense?

Back

Preview of the front of card 4

Card 5

Front

Which fractions are the hardest to ignite?

Back

Preview of the front of card 5
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