AQA GCSE Chemistry Unit 1 19th May 2016 Official Thread

my.med.journey

C1 might be harder this year..

The grade boundaries are trending to increase.

6 marks:
Polymers? Limestone?

Could you explain the conditions needed for polymerisation? I think they are a catalyst and high temperature, but I may be getting confused with cracking?
Thanks

Reply 61

my.med.journey

13

Are thermosetting and thermosoftening polymers in C1???? Someone please explain the difference if they are!!

Reply 62

username2574405

2

Original post by aliceharmer15

Are thermosetting and thermosoftening polymers in C1???? Someone please explain the difference if they are!!

Don't worry, they're in C2.
Does anyone have any hard questions they've come across before, I want to practice some or similar ones so I know if I can do hard ones I can do the easy ones.
Let's hope it's not like B1 :s

Reply 63

mairossanna

9

Original post by Jxrgezxk

Been looking or ages, can you please explain it to me ?

do you still need help with the miller-urey experiment?

Reply 64

Do it Right

5

Original post by alyxgower

Don't worry, they're in C2.
Does anyone have any hard questions they've come across before, I want to practice some or similar ones so I know if I can do hard ones I can do the easy ones.
Let's hope it's not like B1 :s

Check this out mate:
https://www.youtube.com/watch?v=JyQ2n8B7uPI

Do you reckon it will be like that disastrous biology paper? I'm getting so scared

Reply 65

_Xenon_

12

Original post by Do it Right

Check this out mate:
https://www.youtube.com/watch?v=JyQ2n8B7uPI

Do you reckon it will be like that disastrous biology paper? I'm getting so scared

I wish they make the chemistry paper hard. 😄

Reply 66

username2342379

2

I have a feeling that it will be hard and focus on Limestone and Polymerisation.As they are experimenting the new syllabus on us!
I also predict that there will be a question about underage smoking and mice being high. <----- these are only predictions so don't just focus on them :wink:

:P

Reply 67

megmogmoo

4

Original post by Bumblebeezzzz44

I have a feeling that it will be hard and focus on Limestone and Polymerisation.As they are experimenting the new syllabus on us!
I also predict that there will be a question about underage smoking and mice being high. <----- these are only predictions so don't just focus on them :wink:

:P

do I detect a dig at the biology paper there? 😂

Reply 68

YAY GCSE

2

Original post by aliceharmer15

Could you explain the conditions needed for polymerisation? I think they are a catalyst and high temperature, but I may be getting confused with cracking?
Thanks

Is the deep sea vents theory AQA because my mate said it was but i read through the spec and couldnt find it?

Reply 69

username2574405

2

Someone please tell me about polymerisation and limestone? I've revised everything but I'm a bit weak on those topics and I can't find a lot.

Reply 70

eks85

2

Original post by aliceharmer15

Are thermosetting and thermosoftening polymers in C1???? Someone please explain the difference if they are!!

I thought you had to know them briefly.

Thermosetting polymers have cross links thus a higher boiling point.

Thermosoftening polymers have weak inter molecular forces thus weak forces of attraction.