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AS Chemistry Welcome to your ultimate resource for AS Chemistry past papers! Find everything you need in our extensive collection of former AS Chemistry exams.
Prepare for your AS Chemistry exams by reading through and understanding past papers. Search from our library of past papers.
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⏰Attention A-Level and AS-Level students! Even though it feels like you’ve just gotten back to school, the A-Level Exams in 2025 are approaching fast! Most exams kick off in May and wrap up by June, so it's time to plan ahead, create your exam timetable, and prepare a coherent and organised study planner with StudySmarter’s handy guide!
Lily Hulatt
If you’re anxious and you know it, clap your hands! Hey, what was that? Why are you clapping?! Test anxiety is a fairly common thing, but it doesn’t have to be the norm. If your hands are getting sweaty at the very thought of exams, you’re in the right place. We’re working through test anxiety relaxation techniques and tips to make you clap your hands because you’re happy and you know it!
Felix Baues
Check out our online magazine for tips and advice.
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View a top-level overview and discover Chemistry-related content from StudySmarter.
Read about Chemistry
AS Chemistry is the first half of the A-level Chemistry qualification in the UK. It covers fundamental topics such as atomic structure, bonding, the periodic table, and basic principles of organic and physical chemistry.
In AS Chemistry, enthalpy change refers to the amount of heat absorbed or released during a chemical reaction at constant pressure. It's an important concept for understanding energy changes in reactions.
In medicinal chemistry, development refers to the stage where drug candidates undergo experimentation and optimization for better efficacy, safety, and manufacturing feasibility, ultimately preparing them for clinical trials and potential market release.
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