TOPIC 3: WATER | CHEMISTRY FORM 2 TOPIC 3: WATER | CHEMISTRY FORM 2 Occurrence and Nature of Water The Occurrence and Nature of Water Describe the occurrence and nature of water Water is the most abundant liquid in nature. It is a compound of hydrogen and oxygen. It occurs on land as seas, oceans, … Read more
TOPIC 2: HYDROGEN | CHEMISTRY FORM 1 TOPIC 2: HYDROGEN | CHEMISTRY FORM 1 Hydrogen is the lightest of all the elements. There is very little hydrogen in the earth’s atmosphere. Hydrogen is so light that its molecules are not held by the earth’s gravity and they diffuse into space. Overall, it is the most … Read more
TOPIC 1: OXYGEN | CHEMISTRY FORM 2 TOPIC 1: OXYGEN | CHEMISTRY FORM 2 Oxygen exists in air to an extent of 21% by volume (or 23% by weight). It is the most abundant element on earth, accounting for ½ the total mass of the earth’s crust. Oxygen is mainly found in combined states as … Read more
TOPIC 6: AIR COMBUSTION, RUSTING AND FIRE FIGHTING | CHEMISTRY FORM 1 TOPIC 6: AIR COMBUSTION, RUSTING AND FIRE FIGHTING | CHEMISTRY FORM 1 Composition of air Air is a mixture of different gases. The gases that make up the air include nitrogen, oxygen, carbon dioxide, noble gases (argon, helium, neon, krypton and xenon) and … Read more
TOPIC 5: MATTER | CHEMISTRY FORM 1 TOPIC 5: MATTER | CHEMISTRY FORM 1 Concept of matter Concept of Matter Explain concept of matter Matter is anything that has mass and occupies space. Therefore, anything around us provided it has mass and can occupy the space, is termed as matter. There are many kinds of … Read more
TOPIC 4: SCIENTIFIC PROCEDURES | CHEMISTRY FORM 1 TOPIC 4: SCIENTIFIC PROCEDURES | CHEMISTRY FORM 1 Significance of scientific procedure The Concept of Scientific Procedure Explain the concept of scientific procedure The scientific method (procedure) is a process that scientists use to ask questions and conduct investigations to find answers to these problems. It is … Read more
TOPIC 3: HEAT SOURCES AND FLAMES | CHEMISTRY FORM 1 TOPIC 3: HEAT SOURCES AND FLAMES | CHEMISTRY FORM 1 Heat sources Most chemical reactions require heat to proceed. It is therefore important to have sources of heat in a laboratory for heating various reacting substances. Sources of heat in a chemistry laboratory may include … Read more
TOPIC 2: LABORATORY TECHNIQUES AND SAFETY | CHEMISTRY FORM 1 TOPIC 2: LABORATORY TECHNIQUES AND SAFETY | CHEMISTRY FORM 1 A laboratory is a room or building specially designed for conducting various scientific experiments. An appropriate school laboratory has the following features: a room with enough space for carrying out scientific experiments; 2. a store … Read more
TOPIC 1: INTRODUCTION TO CHEMISTRY | CHEMISTRY FORM 1 TOPIC 1: INTRODUCTION TO CHEMISTRY | CHEMISTRY FORM 1 Introduction To Chemistry When you were in primary school, you used to learn science as a single subject. At this level of study, the subject will be broken up into three related subjects, namely Chemistry, Biology and … Read more