Spec 7404
Free AQA AS Level Chemistry revision: past papers from 2016–2025 with mark schemes.
Physical chemistry
Atomic structure
Amount of substance
Bonding
Energetics
Kinetics
Chemical equilibria, Le Chatelier’s principle and
Inorganic chemistry
Periodicity
Group 7(17), the halogens
Organic chemistry
Introduction to organic chemistry
Alkanes
Halogenoalkanes
Alkenes
Alcohols
Organic analysis