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TOPIC 5: QUALITATIVE ANALYSIS | CHEMISTRY FORM 4 TOPIC 5: QUALITATIVE ANALYSIS | CHEMISTRY FORM 4 The Concept of Qualitative Analysis The Meaning of Qualitative Analysis Explain the meaning of qualitative analysis Qualitative analysis involves determining metals and non metals (or metallic and non-metallic elements) present in a given sample. It is a process used … Read more
TOPIC 4: POLLUTION | CHEMISTRY FORM 4 TOPIC 4: POLLUTION | CHEMISTRY FORM 4 Pollution can be defined as the introduction by human (or animal) activities, directly or indirectly, of substances or energy into the environment resulting in harmful effects which may endanger human health and harm living resources and ecosystems. Concept of Pollution The … Read more
TOPIC 3: SOIL CHEMISTRY | CHEMISTRY FORM 4 TOPIC 3: SOIL CHEMISTRY | CHEMISTRY FORM 4 Soil Formation Soil Formation Describe soil formation Soil is formed by the process of weathering. All types of weathering (physical, chemical or biological) result to disintegration of rocks into smaller particles. Air and water enter the space between these … Read more
TOPIC 2: ORGANIC CHEMISTRY | CHEMISTRY FORM 4 TOPIC 2: ORGANIC CHEMISTRY | CHEMISTRY FORM 4 Introduction to Organic Chemistry Organic chemistry is the chemistry of carbon compounds. Due to the ability of carbon to form chains of atoms, and for other atoms or groups of atoms to be attached to these chains, there are … Read more
TOPIC 1: NON METALS AND THEIR COMPOUNDS | CHEMISTRY FORM 4 TOPIC 1: NON METALS AND THEIR COMPOUNDS | CHEMISTRY FORM 4 General Chemical Properties of Non Metals The non-metals are very reactive and most of them react with other elements to form different compounds. The following are important chemical properties of non-metals which are … Read more
TOPIC 8: EXTRACTIONS OF METALS | CHEMISTRY FORM 3 TOPIC 8: EXTRACTIONS OF METALS | CHEMISTRY FORM 3 Occurrence and Location of Metals in Tanzania Locations of Important Metal Ores in Tanzania Identify locations of important metal ores in Tanzania Most metals are found naturally as compounds called minerals. Rocks are made up of crystals … Read more
TOPIC 7: CHEMICAL KINETICS, EQUILIBRIUM AND ENERGETICS | CHEMISTRY FORM 3 TOPIC 7: CHEMICAL KINETICS, EQUILIBRIUM AND ENERGETICS | CHEMISTRY FORM 3 The Rate of Chemical Reactions Copmarison between the Rates of Chemical Reactions Compare the rates of chemical reactions Chemical reactions take place at different rates. Some are fast whereas others are very slow. … Read more
TOPIC 6: IONIC THEORY AND ELECTROLYSIS | CHEMISTRY FORM 3 TOPIC 6: IONIC THEORY AND ELECTROLYSIS | CHEMISTRY FORM 3 Ionic Theory To account for the phenomena of electrolysis the Ionic Theory was put forward by Arrhenius in 1880. The theory states that electrolytes are made up of ions, which are built up in certain … Read more
TOPIC 5: VOLUMETRIC ANALYSIS | CHEMISTRY FORM 3Standard Volumetric Apparatus TOPIC 5: VOLUMETRIC ANALYSIS | CHEMISTRY FORM 3Standard Volumetric Apparatus The Concept of Volumetric Analysis Explain the concept of volumetric analysis Volumetric analysis is a quantitative analysis involving the measurement of different solutions. These solutions are made to react completely and the completion of the … Read more
TOPIC 4: THE MOLE CONCEPT AND RELATED CALCULATIONS | CHEMISTRY FORM 3 TOPIC 4: THE MOLE CONCEPT AND RELATED CALCULATIONS | CHEMISTRY FORM 3 The Mole as a Unit of Measurement The Mole with Other Units of Measurements Compare the mole with other units of measurements When carrying out an experiment, a chemist cannot weigh … Read more