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Fred ArapToo

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2022 FORM 1, 2, 3, 4 END TERM 1 EXAMS PLUS MARKING SCHEMES

DOWNLOAD FREE 2022 FORM 1, 2, 3, 4 END TERM 1 EXAMS WITH ANSWERS Join Our Facebook Page We are approaching the end of term 1, and below are some of the links to examination materials you can use to revise with your learners. You can also customize the question papers to fit your classroom […]

WATER AND HYDROGEN – FORM 1 CHEMISTRY NOTES

WATER AND HYDROGEN Table of Contents Water Source of water: Burning of candle wax in air Reactions of Water with Metals Reactions of Metals with Steam Hydrogen Laboratory Preparation and properties of Hydrogen Reducing property of hydrogen Burning of hydrogen in air Uses of Hydrogen Review Exercises Past KCSE Questions on Water and Hydrogen Objectives […]

AIR AND COMBUSTION – FORM 1 CHEMISTRY NOTES

Table of Contents Composition of air Is air a mixture or a compound? Experiments to determine the percentage of oxygen in air by volume. (a) Burning of candle in air  (b) Heating copper in a fixed volume of air (c) Rusting of iron fillings (d) Smouldering of phosphorous How to determine the presence of Carbon […]

SIMPLE CLASSIFICATION OF SUBSTANCES – FORM 1 CHEMISTRY NOTES

Table of Contents Simple classification of substances Mixtures Separation of solid- solid mixtures Solid-liquid mixtures Separation of insoluble solid-liquid mixtures Separation of soluble solid-liquid mixtures Liquid – liquid mixtures Separation of immiscible liquids Separation of miscible liquids Separation of coloured substances Effect of Heat on substances The Kinetic Theory of matter Effect of impurities on […]

ACIDS, BASES AND INDICATORS – FORM 1 CHEMISTRY NOTES

Table of Contents Indicators Simple Acid-Base Indicators: Flower extracts Commercial Indicators Litmus indicator Phenolphthalein and methyl orange  Universal Indicators and the pH Scale    Acids Properties of Acids Bases Reactions of Acids with Bases Effects of Acids on Substances Applications of Acids and Bases Review Exercises Lesson Objectives By the end of this lesson on […]