Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

GCSE Chemistry > C1.5 Products from Oil > Flashcards

C1.5 Products from Oil Flashcards

You may prefer our related Brainscape-certified flashcards:
Periodic Table flashcards Chemistry 101 flashcards GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route A flashcards GCSE Geography - AQA flashcards AP® Chemistry flashcards Organic Chemistry 101 flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
1
Q

How do your break down large hydrocarbons in crude oil?

A

cracking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Where does cracking take place?

A

at an oil refinery in a steel vessel called a cracker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What happens in the cracker?

A

a heavy fraction is heated to vaporise the hydrocarbons, the vapour is passed over a hot catalyst or mixed with steam, heated to a high temperature, thermal deposition takes place, the large molecules split from the smaller more useful ones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Are alkenes saturated?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the formula for alkenes?

A

CnH2n

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Do alkenes contain a double bond?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

unsaturated hydrocarbons+bromine water

A

=colourless products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

saturated hydrocarbons+bromine water

A

= no reaction (orange)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Uses of hydrocarbons

A

fuel, cooking, transport, heating,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Uses for chemical made from crude oil

A

cosmetics, explosives, plastics

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Uses of polyethene

A

plastic bags, clingfilm, dustbins, strong, transparent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a long chain of monomers?

A

a polymer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Uses for polypropane

A

carpets and ropes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Examples of designer polymers

A

light sensitive plasters, dentures, packaging, bandages to treat burns

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Examples of shape memory alloys

A

braces, stitches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Problems with plastic waste

A

landfill, wildlife gets trapped, take 100s of years to break down

17
Q

What does biodegradable mean?

A

can be broken down by microorganisms

18
Q

Ways to make plastic biodegradable

A

put in PLA, corn starch

19
Q

Disadvantages of biodegradable plastics

A

corn crop will be used for industry not food, starvation, forests cut down for more crop land, destroy habitats of animals

20
Q

Chemical symbol for ethanol

A

C2H5OH

21
Q

How is ethanol for drinks made?

A

fermentation o sugar from plants

22
Q

glucose+yeast

A

=ethanol+carbon dioxide

23
Q

Uses of ethanol

A

solvent for decorators, perfume, fuel

24
Q

ethene+steam

A

=ethanol

25
Q

What is the reatcion for ethene+steam?

A

hydration

GCSE Chemistry (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions