C1

Question 1

Something that contains carbon and hydrogen only is called a…?

Answer 1

Hydrocarbon

Question 2

Name two alkanes

Answer 2

Ethane, methane

Question 3

What does saturated mean?

Answer 3

Every bond is full- no double bonds

Question 4

What group is carbon in on the periodic table?

Answer 4

4

Question 5

How many covalent bonds can carbon form?

Answer 5

4

Question 6

How can long chain hydrocarbons be made into useful shorter chain hydrocarbons?

Answer 6

Cracking (from crude oil to smaller hydrocarbons is fractional distillation)

Question 7

Name two methods for extracting vegetable oils

Answer 7

Pressing, distillation

Question 8

How can you test for the presence of a double bond?

Answer 8

Alkenes turn bromine water from orange to colourless

Question 9

What two conditions are needed for hydration?

Answer 9

100•C +

acid catalyst

Question 10

What two conditions are needed for hydrogenation?

Answer 10

60•C

Nickel catalyst

Question 11

Give one use for vegetable oils

Answer 11

Cooking, biodiesel

Question 12

What does hydrophilic mean?

Answer 12

Attracts water

Question 13

What does hydrophobic mean?

Answer 13

Repels water

Question 14

What two things must an emulsifier have to work?

Answer 14

1 hydrophilic end and 1 hydrophobic end

Question 15

Name the thickest part of the earth’s structure

Answer 15

Mantle

Question 16

What process heats the mantle creating convection currents?

Answer 16

Radioactive decay

Question 17

What do convection currents in the mantle cause?

Answer 17

Continental drift

Question 18

What two hazards might you face if you live on a plate boundary?

Answer 18

Volcanoes and earthquakes

Question 19

What gas occupies the largest percentage of the atmosphere?

Answer 19

Nitrogen

Question 20

How can you separate out the gases in the air?

Answer 20

Condensing then fractional distillation

Question 21

Name two ways the atmosphere has changed since the early earth atmosphere

Answer 21

Less carbon dioxide more oxygen

Question 22

Name two stores of carbon

Answer 22

Fossil fuels and sedimentary rock

Question 23

What does carbon neutral mean?

Answer 23

Take in and release the same amount of carbon dioxide

Question 24

How do humans contribute to the disruption of the carbon cycle?

Answer 24

Deforestation, pollution

Question 25

What process stores carbon in living organic matter?

Answer 25

Photosynthesis