Chemistry o level notes
o level Chemistry topics + questions and answers

Chemistry notes for ordinary level / o level Chemistry notes for secondary school
Chemistry notes for secondary schools
Available notes:-
Chemistry notes form one to form four: You can read All Chemistry notes form one to form four inside for free. some extra features are available in pro version but this free version is enough for Chemistry notes from form one to form four, all topics.
Chemistry form one notes
Chemistry form two notes
Chemistry form three notes
Chemistry form four notes
Chemistry notes/book form 1, form 2, form 3, & form 4

Questions and answers are included. Also some past paper questions are solved/answered. Offline reading is enabled in pro version of Msomi maktaba notes & pp app linked inside. you can not only read offline in pro version but also you can access All necta pastpapers for A level and O level (For ~ 1.5$).