

This page contains revision pages for a number of topics in the Cambridge IGCSE Science (Combined) course - 0653
While it is for the syllabus that will be examined in 2025, it will still be useful to those sitting the examinations this year.
C1 States of matter C1.1 Solids, liquids and gases
C2 Atoms, elements and compounds C2.1 Elements, compounds and mixtures
C2 Atoms, elements and compounds C2.2 Atomic structure and the Periodic Table
C2 Atoms, elements and compounds C2.3 Ions and ionic bonds
C2 Atoms, elements and compounds C2.4 Simple molecules and covalent bonds
C3 Stoichiometry C3.1 Formulas
C4 Electrochemistry C4.1 Electrolysis
C5 Chemical energetics C5.1 Exothermic and endothermic reactions
C6 Chemical reactions C6.1 Physical and chemical changes
C6 Chemical reactions C6.2 Rate of reaction
C6 Chemical reactions C6.3 Redox
C7 Acids, bases and salts C7.1 The characteristic properties of acids and bases
C7 Acids, bases and salts C7.2 Oxides
C7 Acids, bases and salts C7.3 Preparation of salts
C8 The Periodic Table C8.1 Arrangement of elements
C8 The Periodic Table C8.2 Group I properties & C8.3 Group VII properties
C8 The Periodic Table C8.4 Transition Elements & C8.5 Noble gases
C9 Metals C9.1 Properties of metals
C9 Metals C9.2 Uses of metals & 9.3 Alloys and their properties
C9 Metals C9.3 Alloys and their properties - sample questions
C9 Metals C9.4 Reactivity Series
C9 Metals C9.5 Corrosion of metals
C9 Metals C9.6 Extraction of metals
C10 Chemistry of the environment C10.1 Water
C10 Chemistry of the environment C10.2 Air quality and climate
C11 Organic Chemistry C11.1 Terminology
C11 Organic Chemistry C11.2 Fuels
C11 Organic Chemistry C11.3 Alkanes
C11 Organic Chemistry C11.4 Alkenes
C11 Organic Chemistry C11.5 Polymers
C12 Experimental techniques and chemical analysis C12.1 Experimental design
C12 Experimental techniques and chemical analysis C12.2 Chromatography
C12 Experimental techniques and chemical analysis C12.3 Separation and Purification
C12 Experimental techniques and chemical analysis C12.4 Ions and gases
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