Home O Level Acids, Bases & Salts Acids, Bases & Salts February 2, 2020July 24, 2016 by Mini Chemistry Sub-topics: Introduction to AcidsPhysical & Chemical Properties of AcidsIntroduction To BasesPhysical & Chemical Properties of AlkalispH Scale & IndicatorsOxidesSaltsPreparation of Soluble Salts & Insoluble SaltsManufacturing AmmoniaProperties & Uses of Ammonia & Ammonium SaltsTBC Back To O Level Chemistry