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OCR A GCSE Chemistry Paper 4 Higher Tier (J248 04) - 13th June 2023 [Exam Chat]

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Reply 40
Original post by nia01207
iI’m so ****ed cause I changed my answer for the concordant titre question from 24 to 24.05 and that means I got the final question wrong too ☹️☹️☹️ hope I get ecf marks at least

It was 24.05 wdym
Original post by nia01207
no apparently concordant applies to them and most people got 24

...
(edited 10 months ago)
Reply 42
Original post by Blobirama
It’s not wrong, 24.1 24 and 23.9 arent concordant

no they are concordant it is when its in the range of 0.2
Reply 43
Original post by marwa_123
no they are concordant it is when its in the range of 0.2

yea ☹️☹️
Reply 44
Original post by nia01207
no apparently concordant applies to them and most people got 24


https://youtu.be/NFmECpi4TJs
What do you guys think the grade boundaries will be?
Reply 46
Original post by Student16061
What do you guys think the grade boundaries will be?

~70 maybe
Reply 47

ok idk how silly this may sound but how did you decide to take the mean of 24.1 and 24 rather than 24 and 23.9 considering both are 0.1 away from each other?
Reply 48
Original post by marwa_123
no they are concordant it is when its in the range of 0.2

Concordant is 0.1
Reply 49
Original post by marwa_123
ok idk how silly this may sound but how did you decide to take the mean of 24.1 and 24 rather than 24 and 23.9 considering both are 0.1 away from each other?


Took the larger value
Reply 50
Original post by Student16061
5? Why would it be 5?😭


I meant 52
Reply 51
Original post by Blobirama
Took the larger value


NO they are right, I ve seen in ocr mark scheme it says to use volume within 0.2cm^3 of each other
Reply 52
Original post by Blobirama
~70 maybe


Yh for both tests is my guess so in total like around 140
Reply 53
Original post by Okiiiip
NO they are right, I ve seen in ocr mark scheme it says to use volume within 0.2cm^3 of each other

Where?
Reply 54
Original post by Blobirama
Where?


go onto the 2018 june paper question 20 d i
Reply 55
Original post by Blobirama
Where?

but also on that paper they did allow an ecf from a wrong average so i don't think it would be too much of an issue anyways
Reply 56
Original post by marwa_123
go onto the 2018 june paper question 20 d i


My guy
Original post by Okiiiip
I meant 52


How did u work it out?
Reply 58
Original post by marwa_123
but also on that paper they did allow an ecf from a wrong average so i don't think it would be too much of an issue anyways

so if I did the wrong titre I’d still get like 4/5 marks if everything else was right? Like the equations and the mole and rest of it
Reply 59
Original post by marwa_123
but also on that paper they did allow an ecf from a wrong average so i don't think it would be too much of an issue anyways

What did u get i got 4.7

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