The reinforcement worksheets are based on new syllabus content of Cambridge IGCSE and Cambridge O Level examinations. The worksheets cover up the topics of formulae, functional groups, isomers, naming and fuel.

The reinforcement worksheets are based on the topic alcohol based on new syllabus content from 2023 to 2025. The worksheets cover up the naming, reactions and manufacturing alcohol .

The reinforcement exam style revision questions are based on new specification and are included addition and condensation polymers.

The reinforcement worksheet of exam style questions is based on the specification and is included the questions on properties, chemical reactions , manufacturing and uses.

The organic chemistry reinforcement revision worksheet based on exam style questions are for Edexcel International GCSE (9-1) specification. The questions are included about properties, reactions, naming , uses and polymerisation .

The reinforcement worksheets with exam style questions to practice naming, chemical reactions and addition reactions.

The reinforcement worksheet is based on new specification and the topics homologous series, naming and formulae of basic concepts of organic chemistry are included . The chapter crude oil and cracking and fractional distillation of crude oil is added to the introduction because most of questions are linked between two chapters.

The reinforcement exam style questions to practice reactions, isomers , naming and substitution reactions.

The reinforcement revision worksheet is based on the topic polymers and polymerisation of the new specification of Cambridge IGCSE and Cambridge O levels. The worksheet provide and basic concept of polymerisation and how to draw seen or unseen polymers according to the given monomers.

The booklet is based on new specifications with sufficient practice questions to enhance the application knowledge of students. The booklet covers the followings: This booklet covers the following topics 1 . writing Formulae , word equation, symbol equation and ionic equations 2.Calculating relative formula mass(molar mass) and percentage by mass 3.Calculating moles, molecules , atoms and mass of chemical compound 4.Calculating the moles and volume of gases 5.Calculating the concentration , moles and volume of solutions 6. Calculating the moles, molecules and atoms ( calculations with Avogadro Constant) 7.Calculating empirical formula and molecular formula. 8. Percentage purity and percentage yield 9. Calculating of reacting masses , excess and limiting reagents and prediction of the quantity of reactants and masses 10.Calculations problems related with titrations 11. Answers

The practice mole workbook is based on the Cambridge O/L new syllabus covering up the following areas. 1 . writing Formulae , word equation, symbol equation and ionic equations 2.Calculating relative formula mass(molar mass) and percentage by mass 3.Calculating moles, molecules , atoms and mass of chemical compound 4.Calculating the moles and volume of gases 5.Calculating the concentration , moles and volume of solutions 6. Calculating the moles, molecules and atoms ( calculations with Avogadro Constant) 7.Calculating empirical formula and molecular formula. 8. Percentage purity and percentage yield 9. Calculating of reacting masses , excess and limiting reagents and prediction of the quantity of reactants and masses 10. Calculations problems related with titrations 11. Answers

This booklet covers the following topics 1 . writing Formulae , word equation, symbol equation and ionic equations 2.Calculating relative formula mass(molar mass) and percentage by mass 3.Calculating moles, molecules , atoms and mass of chemical compound 4.Calculating the moles and volume of gases 5.Calculating the concentration , moles and volume of solutions 6. Calculating the moles, molecules and atoms ( calculations with Avogadro Constant) 7.Calculating empirical formula and molecular formula. 8. Percentage purity and percentage yield 9. Calculating of reacting masses , excess and limiting reagents and prediction of the quantity of reactants and masses 10.Calculations problems related with titrations 11. Answers

The following subsections are included: • Crude oil as a fossil fuels • Fractional distillation • Separation of factions and uses • Cracking hydrocarbons • Combustion of fossil fuel • Environmental hazards by combustion of fossil fuel • Alternatives for fossil fuels • Alkanes • Alkenes

The following sub-topics are covered in this section. 1.Homologous series 2. Formulae in organic chemistry 3.Isomerism 4.Functional groups 5. Types of organic chemical reaction 6. IUPAC naming of organic compounds

The complete revision lesson notes are included: Alkanes Properties of alkanes Uses of alkanes Members of the alkane homologous series Naming alkanes Isomers of alkanes chemical reactions of alkanes Alkenes Properties of alkenes uses of alkenes Members of the alkene homologous series Naming alkenes Isomers of alkenes Chemical reactions of alkenes

This booklet covers the following topics 1 . writing Formulae , word equation, symbol equation and ionic equations 2.Calculating relative formula mass(molar mass) and percentage by mass 3.Calculating moles, molecules , atoms and mass of chemical compound 4.Calculating the moles and volume of gases 5.Calculating the concentration , moles and volume of solutions 6. Calculating the moles, molecules and atoms ( calculations with Avogadro Constant) 7.Calculating empirical formula and molecular formula. 8. Percentage purity and percentage yield 9. Calculating of reacting masses , excess and limiting reagents and prediction of the quantity of reactants and masses 10.Calculations problems related with titrations 11. Atom economy 12. Answers

The complete acid , base and salt revision notes are prepared according to the order of the specification content so that students could easily cover up the theory and practical knowledge which supports for paper 1 and paper 2. The revision notes are included : Characteristics of acid , bases and salts Acid and alkali titrations Preparation of salts practical knowledge

The complete revision note for the Acid, Base and Alkali is for Edexcel GCSE explains the following topics according to the new specification. Contents: Acids Reactions of acids Acid base indicators pH and pH related calculations Bases Preparation of soluble and insoluble salts Acid and Alkali titration Core practicals

The following sub-topics are covered in this section. 1.Homologous series 2. Formulae in organic chemistry 3.Isomerism 4.Functional groups 5. Types of organic chemical reaction 6. IUPAC naming of organic compounds