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

The resource is a practice worksheet to check students understanding of the mole calculations involving calculations related to molar mass, molar volumes, limiting reagent on IGCSE chemistry pattern

This worksheet for checking understanding of core concepts such as acid base nature, strong and weak acid, pH and tests for acid and base.

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This is an excellent resource I have created for students and teachers to understand various concepts of Mole calculations with solved examples. Contents- Elements Compounds Chemical Formula Word Equation Symbol Equation Balancing Equation Relative Atomic Mass Naming Compound Information from a chemical equation Definition of Mole The mole concept Molar Mass Important Formulae Limiting reagent Reacting Masses Reacting masses and ratios Molar Volumes Concentration of Solutions Water of Crystallisation Empirical and Molecular Formula Percentage Yield Percentage Purity Solved Examples of all the concepts

Revision Test -IGCSE Physics -Light Time-1.5 Hrs Section -A MCQ’s and Section B- Structured response questions Topics Tested -Light and speed of light - Reflection, Image formation by mirror -Refraction, Image formation by lenses -Dispersion -Solar energy

Time- 1 Hr Section -A MCQ’s Section B- Structured Questions Content- • Magnetic Effect • Electromagnets • Current carrying wires and force • Magnetic compass • AC current • AC generator • Motor • Electromagnetic Spectrum

The document clearly explains the concepts of reduction and oxidation of elements in chemical reactions by different examples. Also explains the difference in application of three main concepts of redox. Contents include- -Electron concept of Redox (Example reactions explained) - Oxygen Hydrogen concept of Redox (Examples reactions explained) - Oxidation state concept of Redox (Examples reactions explained)

The test paper contains important -past exam questions / Exam style questions on Energy Changes in Chemical reactions /Energetics - MCQ, Structured and ATP question on energy changes

Revision Test- IGCSE Metals Time-1.5 Hr. Section -A MCQ’s and Section B- Structured Questions Content- Metals Reactivity Series Chemical reactions of metals Displacement Reactions Extraction of Fe Extraction of Al Extraction of Zn Uses of Metals Alloys Corrosion Recycling of metals

Section -A MCQ’s and Section B- Structured Questions Time -1 Hr Content-  Sound  Longitudinal sound waves  Compressions  Rarefactions  Pitch  Loudness  Amplitude  Echo  Speed of sound

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

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

This is an excerpt from IGCSE Conceptual Chemistry by Husain Pipliyawala Contents 1. The Periodic Table 2. Periodic trends 3. Group 4. Periods 5. Group –I 6. Group-II 7. Group –VII 8. Transition elements 9. Noble gases 10. Exam Style Questions

Revision Test- IGCSE Physics – Current Electricity Time-1.5 Hrs. Section -A MCQ’s Section B- Structured Questions Content-  Circuits  Current  Potential  Resistance  Circuit elements  Ohms Law  Series  Parallel Electrical Energy Power

Revision Test- IGCSE Chemistry Energy Changes in Reactions Time-1 hour 15 minutes Section -A MCQ’s and Section B- Structured Questions Content- Energy basis of types of reaction Exothermic Endothermic Energy profile Diagram Enthalpy change Calorimetry Bond Energy

IGCSE Biology -Practice Sheet -Ecology and Ecosystems Exam Style Questions and Answers Content- Ecology Ecosystem Food Chain Food Web Energy transfer Biological Magnification

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

Calorimetry (Energy Changes/ Comaprison of fuels ) Lab Planner document contains all that a student and teacher requires to know for performing a simple lab with or without calorimeter instrument. Contents Include- 1. Aim 2. Apparatus required 3. Principle 4. Procedure 5. Observation Table 6. Calculation 7. Result- with diagrams and illustrations