19th May 2016 - OCR 21st Century Science C1 C2 C3 Exam
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Original post by thatonepunkguy
Do you have the mark scheme for higher? I'm going to try this paper.
It's attached
Original post by justmeds
Guys apparently Fractional Distillation is going to be in C2 Material Choices.
Notes Attached.
Notes Attached.
Hope so
Hey guys could someone explain, salt formation, the health concerns with plasticicers and what Dh and Defra are?? thanks xxx
Original post by Ella_08
Guys, I thought it would be best to make a thread, so we can do the same thing as B123 (by MezmorisedPotato). I predict crude oil, maybe a bit on acid rain and salt and health. I really hope alkalis don't come up for the 6 marker. Share your predictions! 
Most teachers think the LeBlanc process will come up as a 6 marker as it always comes up but hasn't come up as a 6 marker yet.
Original post by Usmaan345
crude is a mixture of hydrocarbons (explain what a hydrocarbon is)probably points about fractional distillation; explain fractional distilliationcrude is useless the way it is; u need to use fractional distillation to get usefull hydrocarbons that are usefull (e.g petrol)
Original post by Xoxmuffinxox
Most teachers think the LeBlanc process will come up as a 6 marker as it always comes up but hasn't come up as a 6 marker yet.
Lol I know!! I guessed that myself
just did some really quick last minute revision, so now I get it.. sorta. Good luck everyone, going to sleep now so I can get up early tomorrowGood luck every one. Don't overdo it! Get some sleep and stop revising last minute, it wont help. whatever you have done is done. have a good night sleep and get ready for the exam. Its all data interpretation anyways. Cya all later tommorow after the exam!
Original post by Ella_08
Hi
Posted from TSR Mobile
Good luck today everyone!
I found a leaked paper guys
Posted from TSR Mobile
Posted from TSR Mobile
Good luck to everyone! We can do it
good luck judging by bio exam who knows what will come in chem! watch the news
Original post by Usmaan345
No you haven't....
So everyone how was it? Sorry I kinda dropped out of convo yesterday pretty quickly, my computer decided it was a good time to update 
I thought it was quite good overall, but there seemed to be lots of longer 3/4mk questions as well as the 3 6 markers?
I thought it was quite good overall, but there seemed to be lots of longer 3/4mk questions as well as the 3 6 markers?
@lalafirmstone Liked the crude oil 4 mark and drawing the molecules!
Didn't like the invigilator so much...
Didn't like the invigilator so much...
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