A level can i take unit 4 chemistry before taking unit 3

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boklibody
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edexcel IAL chemistry , i want to take unit 4 chemistry before taking unit 3 (why you ask ? i just got a certain plan in my head i wanna fullfil )so are they related ? and is unit 4 dependant on unit 3 ?
note : i already took unit 1 and 2
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glabib
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Report 10 months ago
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(Original post by boklibody)
edexcel IAL chemistry , i want to take unit 4 chemistry before taking unit 3 (why you ask ? i just got a certain plan in my head i wanna fullfil )so are they related ? and is unit 4 dependant on unit 3 ?
note : i already took unit 1 and 2
Hi, I think you will have to check with your school if you can take unit 4 before unit 3 but unit 3 is typically sat before unit 4 as it's part of the AS half of the course. Unit 3 is the practical skills so includes titrations, molar gas volumes, oxidation of alcohols etc and there's some overlap with unit 4 so I would defo recommend sitting unit 3 first as you'll need that knowledge for unit 4 so yes, it is dependant on unit 3. If you have both textbooks you can compare the content for each unit but I would say unit 3 & 4 are related. If you wanna talk about it my pms are open! Hope this helps
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