Crude Oil And Fuels

Question 1

Examples of bio fuels are what?

Answer 1

Biodiesel and ethanol

Question 2

What are biofuels?

Answer 2

Fuels made from plants (Sugar)

Question 3

The spine of a hydrocarbon is what?

Answer 3

Carbon

Question 4

What is saturated? (hydrocarbon)

Answer 4

A hydrocarbon molecule with no double bonds

Question 5

What is a alkane?

Answer 5

A saturated hydrocarbon with the general formula CnH2n+2

Question 6

What is the formula for a alkane?

Answer 6

CnH2n+2

Question 7

How many bonds can a hydrogen atom make?

Answer 7

1 Bond each

Question 8

How many bonds can a carbon atom make?

Answer 8

4 bonds each

Question 9

Methane is made up of what?

Answer 9

4 hydrogen atoms and one carbon atom

Question 10

Carbon atoms are joined together by what type of bond?

Answer 10

Single bonds

Question 11

What is methanes formuala?

Answer 11

CH4

Question 12

What is ethane’s formula?

Answer 12

C2H6

Question 13

What is propanes formula?

Answer 13

C3H6

Question 14

What is butanes forumula?

Answer 14

C4H10

Question 15

Most fuels contain what three substances?

Answer 15

Carbon, hydrogen and sulphur

Question 16

C + O2

Answer 16

Carbon dioxide (co2)

Question 17

2C + O2

Answer 17

Carbon monoxide (2CO)

Question 18

2H2 + 02

Answer 18

Water Vapour (2H2O)

Question 19

S + 02

Answer 19

Sulphur Dioxide (SO2)

Question 20

Nitrogen oxide and Sulpher dioxide can cause what?

Answer 20

Acid Rain

Question 21

Carbon Dioxide causes what?

Answer 21

Global Warming

Question 22

Solid particles in the air cause?

Answer 22

Global Dimming

Question 23

Crude oil is a mixture of what?

Answer 23

Large compounds

Question 24

What is a mixture?

Answer 24

Consists of two or more elements or compounds that are not chemically joined together

Question 25

What is a distillation?

Answer 25

A process of separating a liquid mixture by boiling it and condensing its vapours

Question 26

Larger hydrocarbons flow….?

Answer 26

Less easily

Question 27

Larger hydrocarbons have …. boiling points?

Answer 27

Higher

Question 28

Larger hydrocarbons are …. volatile?

Answer 28

less

Question 29

Larger hydrocarbons ignite ….. than smaller hydrocarbons

Answer 29

More easily

Question 30

What is fractional distillation?

Answer 30

The process used to separate crude oil into groups of hydrocarbons whose molecules have a similar amount of carbon atoms

Question 31

What are the advantages of hydrogen as a biofuel? (2)

Answer 31

Water is the only product of combustion so it’s a clean fuel and water is a supply of plentiful supply of hydrogen

Question 32

What are the disadvantages of having hydrogen as a biofuel? (3)

Answer 32

There is no low energy ways to extract hydrogen from water, hydrogen is a gas and is difficult to store in large quantities and when hydrogen is mixed with air it’s explosive.

Question 33

What is the advantages of ethanol being a biofuel? (3)

Answer 33

Renewable energy source , sugar cane grows quickly in hot climates, sugar cane absorbs CO2

Question 34

What is the disadvantage of ethanol being a biofuel? (2)

Answer 34

Sugar cane can only grow In hot climates, CO2 is produced as a product of combustion