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 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 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.

Answers for the Cambridge IGCSE , chemical bonding worksheet.

The worksheet is based on the lesson acid,base and salt for Cambridge IGCSE chemistry ( 0620) specification from 2023 to 2025.

The revision worksheet is based on the lesson of atoms , elements and compounds for Cambridge IGCSE - Chemistry specification - 2023 to 2025 to reinforce the concept of the lesson.

The lesson notes base on the Cambridge IGCSE chemistry specification.

Complete lesson notes on organic homologous series based on the Cambridge IGCSE specification from 2023 to 2025.

The lesson notes are based on Cambridge IGCSE Chemistry (0620) specification.

The complete revision notes of Bonding structure and the properties of matter covers the followings: Ionic bonding Covalent bonding Dative covalent bonding Giant covalent lattice structures Metallic bonding Comparison of the Bonding and physical properties of the four types of macromolecular structures Shapes of simple molecules and ions Electronegativity and polarity Forces between molecules

The complete revision notes are included the followings according to the specification: Ionic bonding Evidence of existing of ions Electronegativity Polarisation of ions Drawing ionic compounds Covalent bonding ( simple molecular, dative covalent and giant lattice) Formation sigma and pi bonds Bond length and bond enthalpy Drawing covalent molecules and structures polar covalent molecules shapes of molecules Metalic bonding

The reinforcement workbook is based on following in according to the new specification from 2023: Formulae, functional groups , naming and terminology Fuel Alkane Alkene Alcohol Carboxylic acid Cracking polymers

This lesson notes provide the complete knowledge of halogenoalkanes in according to the specification. Introduction Nucleophilic reactions with mechanisms Elemination reactions with mechanisms Necleophili vs. elemination reactions. Depletion of Ozone layer

The complete revision note is included the concept and guidance for the students who are preparing for EDEXCEL - IAL ( AS) level chemistry. The lesson provide the complete knowledge to solve Unit -3 core practical as well.

The booklet is included the practicals based on followings: General physics Force Waves Thermal physics Electricity and electromagnetism

Complete revision notes - Alcohols Introduction properties chemical reactions core practicals ( for the unit 3 practical skills)

Naming Physical properties Reactivity Chemical reactions Core practicals

**The complete revision note is included: History of atom Atomic structure History of the periodic table Introduction to periodic table Group properties and reactions of : Group 1 Group 7 Group 0 **

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