IB / A level / Edexcel K-12 : Human Biochemistry / Biomolecules Includes MCQ’s and Theory Questions Questions and Marking scheme Content Tested- Carbohydrates Fats Proteins Amino acids Fatty acids Glycerol Tri glycerides Hormones Enzymes Insulin Nucleic acids

IB SL / AS level / Edexcel Redox Reactions Questions and Marking Schemes MCQ’s and Theory questions Contents Tested- Oxidation Reduction Oxygen Hydrogen concept of redox Oxidation states Oxidation State concept of Redox Balancing a Redox reaction Electricity and Redox

IB HL / A level / Edexcel Energetics – Free Energy, Born Haber Cycle Includes- MCQ’s and Theory questions Questions and Marking Scheme Content Tested- • Entropy • Enthalpy • Free Energy • Spontaneity • Born Haber Cycle • Enthalpy of Formation for Ionic Lattices • Lattice Energy

This is an excellent resource to check understanding of basic concepts of types of enthalpies and their thermochemical equations . Includes concept building questions on following topics. Enthalpy of Formation, Enthalpy of Combustion, Enthalpy of Solution, Enthalpy of Neutralisation, Enthalpy of Hydration, Enthalpy of Fusion, Enthalpy of Vaporisation , Enthalpy of Sublimation. concept of STP Identifying enthalpy types from given equations

This is an engaging practice task focused on assessing students knowledge on heat and temperature includes following concepts Heat Temperature Types of energies Unit of Heat Unit of temperature Conversions

Enable student mastery of dimensional analysis and conversions using dimensions and improve teaching practice with enhanced, smart worksheet that can be solved by students on their devices such as school laptop/ tablet without any hassle of printing and paper shortage. Topics covered - Dimensional conversion basic Dimensional conversion moles

The document can be used to start IGCSE chemistry lecture on Formula, Equations, Word equation, Symbol Equations and balancing. It can be used by students to self study how balancing of simple and advance equations can be done by following some simple rules. It also explains the importance of writing word and symbol equations and information conveyed by a balanced chemical reaction. Topics Covered • Chemical reaction • Word Equation • Symbol Equation • Balancing Chemical reactions • Simple rules for balancing reactions (anyone can learn how to balance a chemical reaction) • Information conveyed by reactions • Mole and its importance in balancing

This document contains lecture notes on Particulate nature of matter that can be used by teachers as lesson content for complete delivery of the chapter. Students can also use the resource for self learning the concepts such as conversion of states, kinetic particle theory, heating and cooling curve etc. At the end document also contains past exam paper questions from the chapter that have been asked in CIE exam. These questions can be given as worksheet for pracitsing the application of concepts from this chapter. All lecture content is copyright of the uploader. Topics covered- Topics Covered- • Matter • 5 States of Matter • Existence of Common states • Arrangement in Solids liquids and gases • Kinetic Particle Theory • Diffusion • Change of States • Heating Curve • Cooling Curve • Past Exam Questions for practice

The worksheet can be used to test understanding of IGCSE concepts of periodic properties such as- -Arrangement of elements in periodic table - Groups and periods in periodic table -Properties of group I, II, transition metals,halogens and inert gases.

The resource contains the important instruments and techniques as per IGCSE chemistry. It clearly explains separation techniques and their uses (commonly asked in IGCSE exams theory and ATP papers) along with other objectives such as measurements and criteria for purity. Topics Covered- • Measurement • Pure Substances • Criteria for Purity • Difference between compounds and mixtures • Homogenous mixtures • Heterogenous mixtures • Separation Techniques • Decantation • Filteration • Sublimation • Chromatography • Distillation • Fractional distillation • Crystallisation • Centrifugation

This test paper contains important exam style questions (MCQ /structured) on two main IGCSE topics - Atomic structure - Mole calculations Time Duration -1 Hr

The resource contains all usefull information for Atomic structure as listed below- Daltons Atomic Theory Structure of Atom Electron Thomson’s Model Proton and Neutron Rutherford’s Model Bohr’s Model Isotopes Radioisotpes Uses of Radio isotopes Electronic Arrangement Rules Proton Number Nucleon Number

The Practice test paper has past exam questions and new exam style questions in two sections (MCQ and Structured) on - Mole calculation -Limiting-reagent -% yield -% purity -Empirical-and-molecular Formula calculation Time limit- 1Hr 15 min ________Marks-80

Chromatography Lab Planner document includes all the details teacher/ students require for performing a simple lab for identifying different pigments present in any given sample of leaf- It includes 1. Aim 2. Apparatus required 3. Principle 4. Procedure 5. Observation Table 6. Result- with diagrams and illutrations…

Revision Test- IGCSE Chemistry – Acid Bases and Salts Time-1 Hr. Section -A MCQ’s and Section B- Structured Questions Contents- Acids and their properties Bases and their properties Indicators Universal Indicator Neutralization Reaction Titration Applications and Uses of Acid Bases Salts Preparation Precipitation

Revision Test- IGCSE Chemistry Rate of the Reaction Time-1 Hour. Section -A MCQ’s and Section B- Structured Questions Content-  Rate of the reaction  Factors affecting rate  Temperature  Light  Surface area  Concentration  Collision theory  Catalyst  Activation Energy  Methods of Determining Rate

Section -A MCQ’s and Section B- Structured Questions Content- Reversible Reactions Reversible Arrows Dynamic Equilibrium Le Chattelier’s Principle Shifting of Equilibrium Effect of Temperature Effect of Pressure Weak Electrolytes Haber’s Process (Reversible reaction only) Contact Process (Reversible reaction only)

IGCSE Chemistry Petroleum refining Worksheet can be used to test understanding of the refining of petroluem and various fractions.

This is a quick 15 minutes task for checking pH calculations understanding of your students can be given as smart activity in class or HW and covers following concepts pH calculation of strong acid pH calculation of strong base Ka and stength of an acid pH and Hydronium ion concentration

The worksheet can be used to test understanding of basic concepts of chemical bonding such as- -Electronic configuration of elements. - Writing formula of ionic and covalent compounds. - Drawing lewis structures of ionic and covalent compounds (examples explained). - Properties of ionic and covalent compounds