Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
See our detailed chemistry lesson notes for SS 1, SS 2, and SS 3 students, designed to align with the WAEC and NECO syllabus. These lessons cover all major chemistry topics, helping students grasp key concepts and prepare effectively for their exams.
Whether you’re revising, learning new topics, or need quick explanations, these notes serve as a valuable resource for mastering chemistry.
Access free SS 1 to SS 3 chemistry lesson notes aligned with WAEC & NECO syllabus. Learn important chemistry concepts and prepare for exams.
All living things breathe in air for respiration. Plants use air for respiration and photosynthesis. (a) To find the composition of air supporting combustion using a candle stick Procedure Measure the length of and empty gas jar M1. Place a…
In a School Laboratory: Litmus is lichen found mainly in West Africa. It changes its colour depending on whether the solution is in basic/alkaline or acidic. It is thus able to identify/show whether another substance is an acid, base or…
Physical Properties of Acids Chemical Properties of Acids All acids react with a reactive metal to form a salt and produce /evolve hydrogen gas. Metal + Acid -> Salt + Hydrogen gas Experiment: reaction of metals with mineral acids. (a)…
A physical/temporary change is one in which no new substance is formed and is reversible back to its original state. A chemical/permanent change is one in which a new substance is formed and is irreversible back to the original. The…
Mixtures can be separated from applying the following methods: DECANTATION Sediments can be separated from a liquid by pouring out the liquid. This process is called decantation. Experiment Put some sand in a beaker. Add about 200cm3 of water. Allow…
Substances are either pure or impure. A pure substance is one which contains only one substance. An impure substance is one which contains two or more substances. A pure substance is made up of a pure solid, pure liquid or…
Chemistry is used in the following: 1. Washing/cleaning with soap: Washing/cleaning is a chemical process that involves interaction of water, soap and dirt so as to remove the dirt from a garment. 2. Understanding chemicals of life Living thing grow,…
Chemistry is studied mainly in a science room called a school chemistry laboratory. The room is better ventilated than normal classroom. It has electricity, gas and water taps. A school chemistry laboratory has a qualified professional whose called Laboratory technician…
Water is an important item in our universe. We need water for transport (lakes and oceans), Generation of power, (hydroelectricity), drinking industrial processes, manufacturing and cooling among others. Very little of the world’s water is fresh (2.6%). Most of it…
Chemistry is a branch of Science. Science is basically the study of living and non-living things. The branch of science that studies living things is called Biology. The branch of science that studies non-living things is called Physical Science. Physical…
CHEMISTRY SS 3 SCHEME OF WORK. Get the latest Scheme of work for your studies, Nigerian Scheme of work for Senior Schools, Scheme of Work for Nigeria Curriculum
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Chemistry SS 1 First Term 1. Introduction to Chemistry2. Particulate Nature of Matter3. Symbols, Formulae and Equations4. Chemical Combination5. Gas Laws Chemistry SS 1 Second Term 1. Gas Laws (Cont’d)2. Standard Separation Techniques for Mixtures3. Acids, Bases and Salts4. Water.…
CHEMISTRY POST UTME PAST QUESTIONS AND ANSWERS
Oxygen (O2) is an active, life-sustaining component of the atmosphere; making up 20% by volume of the air we breathe. It is colorless, odorless and tasteless. Oxygen is the most widely occurring element on earth. Because it forms compounds with…
Corrosion The eating up of metals by the action of air and moisture on their surface is called corrosion. The corrosion of iron is called rusting. While other metals are said to ‘corrode’, iron metal is said to ‘rust’. Rusting…
Hydrogen is the simplest element. It is the first element in the periodic table, and it is placed in Group I of the periodic table. Hydrogen Occurrence Hydrogen is the lightest element and the most abundant element in the universe.…
Red cabbage juice solution works well instead of universal indicator solution. Making Cabbage Indicator Acid base indicators are chemicals that change colour in the presence of different pH levels. These are usually larger organic molecules. Some, like that in purple…
A compound is a pure substance formed by chemically combining at least two different elements. Compounds are two or more different elements combined. Their atoms have been joined or bonded together. Compounds can be represented by a FORMULA. There must…
Sometimes we need pure substances as opposed to impure ones. You can imagine a mixture of sand and table salt and imagine how much use you would have for it. or imagine the manufacture of drugs and medicines. Purity is…