chemistry c9 - crude oil and hydrocarbon stuff

Question 1

what is a hydrocarbon?

Answer 1

it contains hydrogen and carbon atoms ONLY

Question 2

what is crude oil?

Answer 2

it is a finite resource, a fossil fuel, formed over millions of years from the remains of biomass

Question 3

what are most hydrocarbons called?

Answer 3

alkanes

Question 4

what hydrocarbon is saturated?

Answer 4

alkanes

Question 5

what does it mean if something is saturated?

Answer 5

it means that there are as many hydrogen atoms as possible in each molecule

Question 6

what is the general formula for alkanes?

Answer 6

CnH2n+2

Question 7

what are alkanes?

Answer 7

they are a type of homologous series. they are a group of chemical compounds with similar chemical properties and the same functional group

Question 8

what alkane has one carbon atom?

Answer 8

Methane

Question 9

what are the first four alkanes?

Answer 9

methane, ethane, propane, butane

Question 10

how is crude oil separated?

Answer 10

it is separated by fractional distillation