Products From Oil

Question 1

what is the term cracking given to

Answer 1

the process in which we break down hydrocarbons in oil.

Question 2

how do we do cracking?

Answer 2

heat the hydrocarbon to high temperatures (the longer the chain the higher you have to heat) with a catalyst.

Question 3

what is cracking an example of?

Answer 3

Thermal decomposition

Question 4

long chain hydrocarbons (poly) use what when drawn?

Answer 4

brackets

Question 5

we can make different plastics by using what?

Answer 5

using different monomers

Question 6

name 3 new polymers

Answer 6

light sensitive polymers, hydrogels, shape memory polymers.

Question 7

many plastics don’t…

Answer 7

biodegrade.

Question 8

how are most biodegradable plastics made?

Answer 8

they use corn starch, this allows microorganisms to breakdown the corn starch first, this breaks down the plastic into smaller pieces.

Question 9

recycling plastic is

Answer 9

more complicated than recycling paper, glass and metals.

Question 10

Ethanol is the alcohol found in alcoholic drinks, how can we make it?

Answer 10

by fermentation.

Question 11

we can also make ethanol from ethene, what is the process we use for this?

Answer 11

hydration.

Question 12

ethene is a by product from what?

Answer 12

cracking.