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Flashcards in Fuels And Earth Science Deck (16):
1

What is crude oil

A complex mixture of different hydrocarbons

2

What can crude oil be separated out into

Fractions

3

How are the different fractions in crude oil separated out

Using fractional distillation

4

What is petrol used for

Fuel in cars

5

What is kerosene used for

Fuel in aircraft

6

What is diesel oil used for

Used as a fuel in some cars and larger vehicles eg. Trains

7

What are hydrocarbons

Compounds which contain just carbon and hydrogen

8

What is fuel oil used for

It is used as a fuel for large ships and in some power stations

9

What is bitumen used for

To surface roads and roofs

10

What is a homologous series

A family of molecules which have the same general formula and share similar chemical properties

11

What does the size of a hydrocarbon determine

Which fraction of crude oil that it will separate into

12

What does cracking do

Turns long saturated molecules into smaller unsaturated molecules

13

What are alkanes

Saturated molecules

14

What are alkenes

Unsaturated molecules

15

What is thermal decomposition

When one substance breaks down into at least two new ones when you heat it

16

How do you test for oxygen

Checking if the gas will relight a glowing splint