The notes include the followings: • Definitions and concept of synthetic polymers • Addition polymers • Drawing the repeat unit of an addition polymer, including poly(ethene), poly(propene), poly(chloroethene) and (poly)tetrafluoroethene • Deducing the structure of a monomer from the repeat unit of an addition polymer • Explaining problems in the disposal of addition polymers, including:their inertness and inability to biodegrade and the production of toxic gases when they are burned. • Condensation polymerisation, in which a dicarboxylic acid reacts with a diol, produces a polyester and water • Writing the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is formed including the reaction of ethanedioic acid and ethanediol • Learning about biopolyesters

The lesson notes are included: Characteristics of the homologous series Naming Isomers Chemical reactions Manufacturing Uses

The lesson note covers : Properties of alcohols Naming of alcohols Isomers Chemical reactions of alcohols Manufacturing ethanol Uses of alcohols

The 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

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

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

Hazard symbols and lab safety rules that you have to learn for chemistry for all the International Chemistry subject.

The command words for Edexcel GCSE (9-1) physics paper 1 and paper 2 are given to achieve full marks by understanding way of answering.

Concise summary for the concept of motion, displacement and distance.

The summary of motion concept for Cambridge IGCSE and O/Level students.

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 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 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 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 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 summarized revision notes for the topic Astrophysics which covers up all the key points aiming exams based on Edexcel International GCSE (9-1) specification. The following sub-topics are covered : • Motion in the universe • Stellar evolution • Cosmology

Exam style reinforcement questions for Edexcel international GCSE(9-1) and GCSE (9-1) students

The compiled core past paper and answer booklet is for the Physics .