OCR A-Level Chemistry B Paper 3 (H433/03) - 23rd June 2023 [Exam Chat]

i think this paper was really different to past papers. there was literally no practical skills except the extract. and also the last question was just so hard to digest and make sense of. feel like definitely harder than any other past paper

I certainly agree. All the other papers were very heavy on practical techniques. This was literally an extension of paper 2

Reply 21

smiggs

3

What did people put for the % question?

(edited 10 months ago)

Reply 22

54321abi12345

2

Original post by KillSwitch12

I certainly agree. All the other papers were very heavy on practical techniques. This was literally an extension of paper 2

Yes totally. So frustrating. Like it was all DM and CD and literally ZERO practical skills except the dumbass extract. but even then that was impossible to understand. i don’t get why they have to make our year so hard ??? like i was averaging at 85% on past paper 3s and this was so so so different to all of them

Reply 23

KillSwitch12

6

Original post by 54321abi12345

Yes totally. So frustrating. Like it was all DM and CD and literally ZERO practical skills except the dumbass extract. but even then that was impossible to understand. i don’t get why they have to make our year so hard ??? like i was averaging at 85% on past paper 3s and this was so so so different to all of them

yeah think i flopped that tbh

Reply 24

hello83

13

What did u put for why to keep the volume constant and how to keep the concentration constant

Reply 25

Hallusin

1

anyone wanna help make an UOMS?

Reply 26

phillip_a9000

10

Original post by hello83

What did u put for why to keep the volume constant and how to keep the concentration constant

I literally can't remember anything from the paper but if that was the last question, I put to make it a fair test (probably wrong) and adding the reagent (forgot what they used) in excess

Reply 27

lifeofpablo1

14

Original post by hello83

What did u put for why to keep the volume constant and how to keep the concentration constant

i put they do it to keep the initial concentrations of all the reactants constant, and to keep the concentration constant they add propanone while the reaction happens