fuels and earth science

Question 1

what is bitumen used for?

Answer 1

surfacing roads and roofs

Question 2

what is kerosene used for?

Answer 2

fuel for aircrafts

Question 3

what is fractional distillation?

Answer 3

separates crude oil into simpler, more useful mixtures

Question 4

what is cracking?

Answer 4

Cracking is the process that breaks down long chain hydrocarbons into shorter chain more useful molecules

Question 5

what example of reaction is cracking?

Answer 5

Thermal decomposition reaction

Question 6

different types of cracking and what it is?

Answer 6

steam cracking - vaporised heavy hydrocarbons are mixed with steam in a high temperature environment.

catalytic cracking - Vapourised heavy hydrocarbons are passed over a hot catalyst.
The products include alkanes and alkenes.

Question 7

what are problems with incomplete combustion?

Answer 7

produces carbon monoxide, soot

Question 8

name 3 properties of carbon monoxide

Answer 8

colourless
toxic
odourless

Question 9

what does sulfur dioxide form when reacting with water?

Answer 9

Sulfuric acid, which is a major component of acid rain

Question 10

what are the steps of fractional distillation?

Answer 10

1) feed fuel into a chamber
2) heat up crude oil until most of its turned into gas
3) mixture passed into fractioning collumn
4) condenses into separate liquids

Question 11

hydrocarbon definition

Answer 11

a substance made of only hydrogen and carbon atoms