CHEMISTRY

CHEMISTRY FORM ONE QUESTION AND ANSWERS CHEMISTRY FORM ONE QUESTION AND ANSWERS INTRODUCTION OF CHEMISTRY QUESTIONS: multiple choice. Choose the most correct answer by writing its letter. (i) Both composition and decomposition of matter enable chemists to obtain _________ substances in our daily life. A: lighter B: heavier C: useful D: industrial (ii) Matter has … Read more

CHEMISTRY QUESTIONS AND ANSWERS FORM TWO CHEMISTRY QUESTIONS AND ANSWERS FORM TWO 1. OXYGEN QUESTIONS 1: Multiple choice. Choose the most correct answer from the given alternatives. (i) Which of the following compounds is not likely to contain Oxygen? A: water B: Copper oxide C: ammonia D: carbonate (ii) Oxygen supports combustion and it is … Read more

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