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

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Reply 20

C3c3c3

I got that aswell

Reply 21

Dev Saha

Bro it was average so it was 35/60 right?

Reply 22

sunaaaa

Original post

by freyadenees3

Yea bro and also like why people use low percentage copper

for the low percentage copper I wrote they’d use it so there’s less waste or smth. idk it was giving me a headache lol. they had some weird questions in there

Reply 23

C3c3c3

And I got 0.2mol/dm3 for conc

Reply 24

C3c3c3

Original post

by Dev Saha

Bro it was average so it was 35/60 right?

Yes I agree

Reply 25

freyadenees3

Original post

by sunaaaa

for the low percentage copper I wrote they’d use it so there’s less waste or smth. idk it was giving me a headache lol. they had some weird questions in there

I said less co2 émission and flipping less energy required idek if that’s rightt

Reply 26

Dev Saha

I said that high percentage were running out and it was cheaper

Reply 27

studious_komi

Original post

by freyadenees3

I said less co2 émission and flipping less energy required idek if that’s rightt

Wrote the same thing girl begging it's right 😭😭

Reply 28

Jupiter55

Original post

by Nuunn

wait u had to draw a tangent???

I think so yeah

Reply 29

DevSaha

Original post

by Jupiter55

I think so yeah

Nah because it said average not at 60

Reply 30

freyadenees3

Original post

by studious_komi

Wrote the same thing girl begging it's right 😭😭

I asked chat gpt and he said it was valid SO IM PRAYINGG

Reply 31

studious_komi

Original post

by DevSaha

Nah because it said average not at 60

Bro I didn't do a tangent I like split the line into shapes and did change in y/change in X idekk do you remember what you got though and for units

Reply 32

studious_komi

Original post

by freyadenees3

I asked chat gpt and he said it was valid SO IM PRAYINGG

🙏🏽🙏🏽✨

Reply 33

DevSaha

Original post

by studious_komi

Bro I didn't do a tangent I like split the line into shapes and did change in y/change in X idekk do you remember what you got though and for units

So like I did change in volume which was from 0 to 60 is 35cm3, then divided by 60 and hence 0.583 cm3 per second or smth I might be wrong btw

Reply 34

freyadenees3

Original post

by DevSaha

So like I did change in volume which was from 0 to 60 is 35cm3, then divided by 60 and hence 0.583 cm3 per second or smth I might be wrong btw

I got tht! And everyone in my class did too

Reply 35

Dev Saha

Come on 💪

Reply 36

benchamin_123

What did people put for the reduction and oxidation on that 1 marker.Also,I got 0.58 for rate of reaction,21460 for last question,0. something for concentration.Also what did people put for A-D for potassium,nitrogen and phosphorous