crude oil

Question 1

method to make crude oil:

Answer 1

heat oil until it vaporizes
longest fractions will stay liquid and collect at the bottom
fractioning column hottest at bottom coolest at top
vapours rise until they reach their boiling point then condense
collected as a mixture with simple boiling point
shortest chain compounds found at the top, longest at bottom

Question 2

Methane

Answer 2

CH4

Question 3

Ethane

Answer 3

C2H6

Question 4

Propane

Answer 4

C3H8

Question 5

Butane

Answer 5

C4H10

Question 6

Pentane

Answer 6

C5H12

Question 7

Hexane

Answer 7

C6H14

Question 8

Main use of alkanes

Answer 8

Fuels

Question 9

How is sulphur dioxide formed from combustion

Answer 9

Burning sulphur impurities in fuels

Question 10

How are oxides of nitrogen formed from combustion

Answer 10

High temperatures and pressures in engines cause N2 and O2 from air to react

Question 11

How is carbon monoxide formed from combustion

Answer 11

Incomplete combustion

Question 12

How are carbon particulates (soot) formed from combustion

Answer 12

Incomplete combustion

Question 13

Definition of saturated

Answer 13

No double bonds

Question 14

How alkenes undergo combustion

Answer 14

Burn with a smoky flame

Question 15

What do alkanes produce when undergoing combustion in excess oxygen

Answer 15

Burn cleanly to produce CO2 and H2O

Question 16

Substitution with halogens for alkanes requires ________

Answer 16

UV light