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19th May 2016 - OCR 21st Century Science C1 C2 C3 Exam Watch

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    (Original post by BULL14)
    What do you guys think will be for an A*?
    Im guessing higher than most other years, if we are unluck I would say 48; i dont see it going higher, but I may be wrong of course.
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    The last question was
    Discuss how the production of chlorine has changed over the last 50 years
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    (Original post by kennethdcharles)
    Im guessing higher than most other years, if we are unluck I would say 48; i dont see it going higher, but I may be wrong of course.
    I think like 46
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    guys for question three what two boxes did you tick?
    I ticked There is not enough oxygen for complete combustion
    and
    Too much nitrogen reacts with oxygen blabla
    the other one it could have been was
    Some carbon particles react with oxygen
    but i thought it was way too vague
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    (Original post by vadermolt1)
    More notes you say? MORE NOTES!

    Also, bonus P4 mind map I made and some practice 6 mark questions from my teacher. Good luck everyone!

    Attachment 535171
    This is so useful. DO you have something like this 4 P123
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    (Original post by LokiiR)
    guys for question three what two boxes did you tick?
    I ticked There is not enough oxygen for complete combustion
    and
    Too much nitrogen reacts with oxygen blabla
    the other one it co byuld have been was
    Some carbon particles react with oxygen
    but i thought it was way too vague
    I believe the second one was some carbon particles react with oxygen.
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    (Original post by kennethdcharles)
    I believe the second one was some carbon particles react with oxygen.
    Yes, it was some carbon reacts with oxygen - they wanted you to focus on the idea that some does, but not all, creating the CO and particulates.
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    pretty annoyed acid rain and nanotechnology didn't come up to be honest, focussed my revision on those a lot D: think I did okay though, opinions anyone??
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    i thought fractional distillation was C1
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    (Original post by 11207ymir)
    i can almost guarantee the c2 6 marker will be fractional distallation!!!!!!!!!!!
    i thought fractional distillation was C1?
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    what predict is c1 c2 c3 be ready
 
 
 
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