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OCR Gateway Chemistry C4C5C6 - 13/06/13

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Reply 360
Avatar for dazzer19
dazzer19
Original post by carns
6 mark question are not about writing 6 things, if u look at mark schemes it tells stuff like full understanding, or writing an equation and discussing other things. Its about showing a detailed scientific overview of the topic. +decent spelling ect



But normally you have to write 5 things and good spellings... But we'll see.

I think I'm done revising.... Need to chill
Reply 361
Avatar for carns
carns
3
Original post by dazzer19
But normally you have to write 5 things and good spellings... But we'll see.

I think I'm done revising.... Need to chill
I don't think you do, but it doesn't matter really because you can afford to drop a couple on the 6 markers anyway.
When finding the mean titration value, do we choose the two values that are within 0.2 cm3 of each other? :smile:
Original post by BP_Tranquility
When finding the mean titration value, do we choose the two values that are within 0.2 cm3 of each other? :smile:


Mean is adding the total of the results up and dividing by how many results you took... idk if that is any help at all :s-smilie:
Original post by DeadUnicorn
how do you work out mass of salt/sodium and RDA/GDA percentage mass questions?! :s-smilie:


ImageUploadedByStudent Room1371061061.892152.jpg If this helps :smile:


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ImageUploadedByStudent Room1371061128.587693.jpg Better orientation


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ImageUploadedByStudent Room1371061113.420736.jpg23.6KB
Reply 366
Avatar for ryanb97
ryanb97
15
How many of is use the CGP book ?

ryan
I use the Collins and Lonsdale revision guides :biggrin:


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Original post by ryanb97
How many of is use the CGP book ?

ryan


Me


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Which revision guide is better?


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The CGP guide has easier to understand content but the Collins revision guide is set out using bullet points and seems more direct- I guess it's down to preference really :dontknow:


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Original post by BP_Tranquility
I use the Collins and Lonsdale revision guides :biggrin:


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Can you attach a page? Say...hydrogen-oxygen fuel cells? :biggrin:


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jan 2013 paper anybody????
Original post by tazza ma razza
jan 2013 paper anybody????


There isn't one.. That's why no one has replied.
Reply 374
Avatar for ryanb97
ryanb97
15
Original post by tazza ma razza
jan 2013 paper anybody????


this is the new spec.... :eyebrow::eyeball:
Original post by tazza ma razza
jan 2013 paper anybody????


It's a new spec. So we couldn't sit c4,5,6 in January for this new spec.

If you want some idea about c5+6 questions have a look at the latest 2006 spec papers but be warned that their c4 and our c3 switched around :smile: and there are no 6 markers or section D's.


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Original post by benwalters1996
Can you attach a page? Say...hydrogen-oxygen fuel cells? :biggrin:

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I've attached it :wink:

ImageUploadedByStudent Room1371062198.832820.jpg



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What are the predicted 6-markers again?


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I'm worried now :lol:

Hopefully full marks in C4/5... Then C6:mmm: what if I forget things after my C4 exam?
Reply 379
Avatar for AR-13
AR-13
Original post by ryanb97
What UMS ???

What mark ???


It was 104 for the exam, not sure about c/w, jus say i scraped an a?

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