The minds maps provide concise knowledge on concepts of acid, base and salts Mind map - acid ( properties, reactions , strength and identification ) Mind map - base ( properties, reactions , strength and identification ) Mind map -salt ( properties, reactions , strength and identification ) Mind map of oxides Mind map of preparation of salts.

The minds maps: concept of polymerisation addition polymerisation condensation polymerisation reasons and solutions for synthetic polymer pollution

The organic chemistry mind maps provide the complete information according to the new specifications of Cambridge IGCSE and O/L . The homologous series’s including properties, chemical reactions, manufacturing process and identification tests gives the complete knowledge.

The orgnic reaction minds maps are included: A mind map for introduction to organic chemistry A mind map for IUPAC naming of alkane, alkene, alcohol , carboxylic acid and esters A mind map for alkanes A mind map for fractional distillation of crude oil A mind map for alkenes

Summary and practice questions ( with answers) of all Chemical reactions 1.Writing chemical formulae for ionic compounds 2. writing chemical formulae for covalent compounds 3.writing word equations for the chemical reactions 4.writing formula equations ( chemical equations) and Balancing chemical equations 5. Types of chemical reaction 6. Writing ionic ( net ionic) equations 7. Writing and balancing ionic half equations ( electron half equations) for redox reactions

Summary and practice questions ( with answers) of all Chemical reactions 1.Writing chemical formulae for ionic compounds 2. writing chemical formulae for covalent compounds 3.writing word equations for the chemical reactions 4.writing formula equations ( chemical equations) and Balancing chemical equations 5. Types of chemical reaction 6. Writing ionic ( net ionic) equations 7. Writing and balancing ionic half equations ( electron half equations) for redox reactions

Summary and practice questions ( with answers) of all Chemical reactions 1.Writing chemical formulae for ionic compounds 2. writing chemical formulae for covalent compounds 3.writing word equations for the chemical reactions 4.writing formula equations ( chemical equations) and Balancing chemical equations 5. Types of chemical reaction 6.Writing ionic ( net ionic) equations 7. Writing and balancing ionic half equations ( electron half equations) for redox reactions

Complete revision notes according to the new ( 9-1) specification (a)Mains electricity (b)Power and energy ©Current and voltage in circuits (d)Electrical resistance (e) Relationship with current , voltage and resistance

The complete revision notes includes: Types of bonding Shapes of molecules Electronegativity Polarity and polar molecules

The revision notes are prepared according to the new specification Discovery of an atom Atomic structure Periodic table Group properties.

Complete revision notes according to the new specification.

Electric circuit symbols for GCSE, IGCSE and O/L students .

Revision sheet for ray diagrams of converging lens

Revision notes on Energy and workdone

The summary notes cover the topic based on concepts of formulae, equations and amount of substance with examples in according to the new specification. The notes are included the most confusing questions which commonly appear in papers with answers.

The summary notes cover the topic based on concepts of formulae, equations and amount of substance with examples. The notes are included the unit 3 practical essentials based on the topic . The most confusing 10 questions which commonly appear in papers with answers are provided to reinforce the knowledge of the topic.

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

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