Complete revision notes for Edexcel GCSE (9-1) Chemistry (1CH0), Higher tier, covering the whole specification on Papers 1H and 2H (grades 4-9), organised into 9 colour-coded sections: Key concepts in chemistry; States of matter and mixtures; Chemical changes; Extracting metals and equilibria; Separate chemistry 1; Groups in the periodic table; Rates of reaction and energy changes; Fuels and Earth science; Separate chemistry 2.



Each section is broken into short, exam-focused chunks with key t...