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Chemistry Notes

Anions: Test and characteristics of Anions

Test for Anions, Identification of gases e.g CO2, SO2 and O2. Characteristics test for anions e.g SO42-,SO32-,CO32-,NO-3, Cl–, etc. The […]

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Chemistry Notes

INTRODUCTION TO QUALITATIVE ANALYSIS

Introduction to Qualitative Analysis Test for carbons using H2S, NaOH and NH4OH, Confirmatory Test for the cat ions. Introduction to […]

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Chemistry Notes

Metals and their compounds: Aluminium

CONTENT Aluminum Occurrence Aluminum can be obtained as Kaolin, Al2O3.2SiO3.2H2O, cryolite. Na3AlF6, Corundum Al2O3 and mica K2O.Al2O3.6SiO2. NB: the main […]

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Chemistry Notes

Preliminary preparation: Metals and Metal ore

Metals are found mixed with earthy materials as ores. Ores are often concentrated and converted to oxides before extraction Concentration […]

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Chemistry Notes

Metallic Bonding, Vander-Walls forces and Hydrogen bonds

CONTENT Properties, Factors affecting the formation of metals Inter molecular bonding Vander-walls forces and hydrogen bonds Composition and Uses. Metallic […]

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Chemistry Notes

Simple Molecules and Their Shapes

CONTENT Covalent Molecules e.g methane, diamond, crystalline solid – their network structure e.g diamond. Simple Molecules and their shapes The […]

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Chemistry Notes

Nuclear reaction: Fusion and Fission, Radioactivity and Reactions

CONTENT Nuclear Fusion and Nuclear Fission with Example Effects and Application of Radioactivity Comparison of Nuclear Reaction and Ordinary Chemical […]

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Notes Physics

Rockets And Satellites (Basic Electronics)

CONTENT Satellite and their functions Components of a satellite Semiconductors. SATELLITES AND THEIR FUNCTIONS The word satellite refers to a […]

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Notes Physics

Photo Electric Effect

When light falls on a metal surface, electrons are emitted, this process is called photo electric effect emission,  the emitted […]

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Notes Physics

Artificial Transformation, Nuclear Energy, Nuclear Fission and Fussion

ARTIFICIAL TRANSFORMATION Artificial transformation is induced in an element by irradiation (exposure to radiation) either by accident or by intent) […]