Crude oil and fractional distillation

Question 1

Define hydrocarbon

Answer 1

Made of carbon and hydrogen only

Question 2

Define alkane

Answer 2

Hydrocarbon with single bonds, saturated

Question 3

Define alkene

Answer 3

Hydrogen with c=c double bonds, unsaturated

Question 4

Define crude oil

Answer 4

A mixture of hydrocarbons

Question 5

Properties of long hydrocarbons

Answer 5

High melting point
High boiling point
Thick

Question 6

Properties of short hydrocarbons

Answer 6

Low melting point
Low boiling point
Runny/thin

Question 7

Name the first 5 alkanes

Answer 7

Methane
Ethane
Propane
Butane 
Pentane

Question 8

Name the first 4 alkenes

Answer 8

Ethene
Propene
Butene
Pentene

Question 9

Define fractional distillation

Answer 9

Separating different length hydrocarbons, into fractions

Question 10

Define cracking

Answer 10

Splitting up long chains into small chains of hydrocarbons

Question 11

Define polymer

Answer 11

Adding small monomers together,

long chains form

Question 12

Define hydrogenation

Answer 12

Adding hydrogen to a double bond,

Makes an alkene into an alkane

Question 13

General formula for alkanes

Answer 13

CnH2n+2

Question 14

General formula for Alkenes

Answer 14

CnH2n

Question 15

What does saturated mean?

Answer 15

Only contains single bonds

Question 16

What does unsaturated mean?

Answer 16

Only contains double bonds