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OCR GCSE Chemistry A Paper 4 (Higher) - Friday, June 13, 2025 [Exam Chat]

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Reply 60

tilerwhite

Original post

by C3c3c3

And I got 0.2mol/dm3 for conc

thats only 1 significant figure

Reply 61

DevSaha

Nah isthmus is 0.20

Reply 62

tilerwhite

Original post

by benchamin_123

polystyerene

i put aluminium cause it could be recycled the most but i see most people are putting polystyrene gods sake

Reply 63

studious_komi

Original post

by tilerwhite

you had to put the flame tests pal cause 2 of them were bromide so to differ from them you had to do flame test as it was a solid. Lithium= red sodium= yellow otherwise the teacher wouldnt know which metal is it.

Woukd that lose like 1/2 marks so you think. Btw guys what did you draw for umm that 2 marker for the graph thingy

Reply 64

DevSaha

Yeah because it was single use

Reply 65

studious_komi

Original post

by tilerwhite

i put aluminium cause it could be recycled the most but i see most people are putting polystyrene gods sake

Nah that could Def still get marks if there are valid reasons don't stress it

Reply 66

tilerwhite

Original post

by DevSaha

Yeah because it was single use

exactly so needs to be recycled is what im saying

Reply 67

DevSaha

35cm3 line but steeper line

Reply 68

tilerwhite

Original post

by studious_komi

Nah that could Def still get marks if there are valid reasons don't stress it

cheers

Reply 69

DevSaha

Original post

by tilerwhite

exactly so needs to be recycled is what im saying

Idk but they said single use so it didn’t matter whether it was recyclable as they weren’t gonna use it again. But don’t worry bro ur other points are valid

Reply 70

benchamin_123

Original post

by DevSaha

Idk but they said single use so it didn’t matter whether it was recyclable as they weren’t gonna use it again. But don’t worry bro ur other points are valid

What did you put for the mistake,the person made with the delivery tube

Reply 71

DevSaha

Original post

by benchamin_123

What did you put for the mistake,the person made with the delivery tube

It was in the Hcl

Reply 72

Stveevshs28

Original post

by benchamin_123

What did you put for the mistake,the person made with the delivery tube

Oh I said that they put it inside the reactants so not all the hydrogen gas will go into the tube

Reply 73

DevSaha

So less gases would be taken up than normal

Reply 74

DevSaha

Original post

by Stveevshs28

Oh I said that they put it inside the reactants so not all the hydrogen gas will go into the tube

Yeah that 2 marks probably

Reply 75

benchamin_123

Original post

by DevSaha

Yeah that 2 marks probably

ok yh same.What did you put for the one where you had to circle something

Reply 76

DevSaha

Original post

by benchamin_123

ok yh same.What did you put for the one where you had to circle something

That one acc confused me but I put the middle bit ( carbon double bond with oxygen and the second oxygen) icl I probably got that wrong

Reply 77

benchamin_123

Original post

by DevSaha

That one acc confused me but I put the middle bit ( carbon double bond with oxygen and the second oxygen) icl I probably got that wrong

same because that's the one that makes sense.It is either that or the edges so I put the middle.What also was the nylon small molecule formula 1 marker after the nylon question