Cracking And Crude Oil

Question 0

What properties increase as you go down the column ( from 40•c to 400•c )

Answer 0

Boiling point
#number of carbon atoms
Viscosity

Question 1

How does fractional distillation work?

Answer 1

Crude oil is heated to a vapour and passes through the fractioning column, the hydrocarbons with very high Bps will turn to liquid at bottom. The others will cool as they rise and condensed and get tapped off as liquids

Question 2

What are refinery gases used for?

Answer 2

Bottled gas for camping etc

Question 3

What is gasoline used for?

Answer 3

Petrol for cars

Question 4

What is kerosene used for?

Answer 4

Fuel for jets, paraffin heaters and lamps

Question 5

Diesel

Answer 5

Diesel for cars, buses, lorries, trains

Question 6

What is fuel oil used for?

Answer 6

Fuel for ships

Industrial heating

Question 7

What is bitumen used for?

Answer 7

Road surfaces and covering roofs of buildings

Question 8

What are the conditions for cracking?

Answer 8

600-700•c

Silicon dioxide or aluminium oxide catalyst

Question 9

Why is incomplete combustion of hydrocarbons harmful?

Answer 9

Produces carbon monoxide, poisonous because it reduces the blood capacity to carry oxygen

Question 10

What happens because of the high temperatures in car engines?

Answer 10

Nitrogen and oxygen react forming nitrogen oxides which are pollutant gases that contribute to acid rain