Fractional Distilation

Question 1

What is crude oil?

Answer 1

Crude oil is our main source of hydrocarbons and it is a raw materials, it is used in industry

Question 2

Where do we find crude oils?

Answer 2

Formed over millions and million of years from the buried remains of plants and animals. It’s non renewable so it will run out

Question 3

How can crude oil be separated?

Answer 3

Using fractional distillation,

This is when the oil is heated and the different hydrocarbons boil off at different places

Question 4

What happens to longer hydrocarbons in fractional distillation?

Answer 4

Have higher boiling points as they turn back liquid and drain out of the column early on.

Question 5

What happens to short hydrocarbons in fractional distillation?

Answer 5

Have lower boiling point, they turn liquid and drain out much later on , near the top of the column where it’s cooler .

Question 6

What are alkanes?

Answer 6

They are hydrocarbons with the formula Cn H2n +2

Question 7

What are the parts of crude oil?

Answer 7

Gases.
Petrol
Kerosene
Diesel oil
Fuel oil
Bitumen

Question 8

What is crude oil used for?

Answer 8

Heating and cooking
Used in car
Used as fuel in airplanes
Used in trains and cars
 Used in shops and power stationUsed in roads and roofs