Carbon and its Allotropes
The lesson covers the characteristics of carbon as an element and its various forms, known as allotropes. It explains the presence of carbon in nature, its compounds, and the two types of carbon oxides. The importance of carbon in living systems and its economic significance is also discussed.
- 15:32 “electroplating can be done easily. So for manufacturing, light pencils and stove paints, as you can see, there is just a picture showing, you know, an example of that, okay? In particular graphite type, you can use for m...”
- 10:03 “So why the layer to layer, large distance, makes a graphite to have an open structure. So of course, you see that very, so now, let's now look at the properties of damod now. Have a look at it. So we know that damod is k...”
- 16:19 “okay? So it is transparent and has a high refractive index, okay, that it is black, in color and opaque. So basically, if you go down and on, you see the difference between damal and graphite, you will be able to know, s...”
Chemical Industries Overview
This lesson covers the definition of chemical industries and the raw materials used in their production. It explains the classification of chemical industries into heavy and fine chemicals, along with examples of each type. The lesson also discusses the importance of these industries to individuals
- 08:42 “explosives, synthetic fibers, and accumulator industries. If our raw material is metallic oils, metallic oils from iron, various products can be getting from iron. These products can be gotten from aluminum and even copp...”
- 06:22 “will be plastics, explosives, dyes, coagas, ammonia, and so on. And the chemical industries that produce all these are the plastic industries, the dyes, and explosives industries. If our raw material is calcium-throwed c...”
- 04:45 “that makes it of them, are the steel and wedding industry. Like I said, the second one about the component of air that we are going to talk about is nitrogen. Nitrogen, even with the use of nitrogen, you have an intermed...”
Solid Minerals in Nigeria
This lesson covers the types of solid minerals found in Nigeria, their locations, and their uses. Students will learn about specific minerals such as limestone and their importance to the economy. A map of Nigeria showing the distribution of these minerals will also be drawn.
- 15:50 “Siva, goat and diamond are used for making diaries, earrings, necklace, medals and trophies. The wealth of a nation in foreign reserve is determined by the value of the goat. Coal. It is also used in generating power, wh...”
- 07:36 “it can be made into coins. No. 3. It can be used as ornaments for decoration or pots. No. 4. It can be used for making electrical wires or cables. If you look at the wires in the house, they are made of copper. No. 5. Fo...”
- 15:03 “the vegetation is going to kill some of the plants, it's going to be responsible for some of the animal behavioural pattern. Crystallistic of solid minerals. Diamonds. Diamonds is hard with natural state and it is a lot...”
Water and Its Properties
This lesson covers the composition of water, including its chemical formula H2O. It explains the physical properties of water, such as its states (solid, liquid, gas), boiling and melting points, and its ability to dissolve various substances. The lesson also discusses the importance of water in liv
- 00:10 “Good day, everyone! My name is Mr. Ife and I'm your basic science instructor. Our lesson today is "Says, Water, and Rustam". A quick round through the objectives. At the end of the class, students should be able to expla...”
- 01:01 “Students should be able to state the properties, the types, and the uses of water. Water, we all know that water is very important, and you are so familiar with water. Water is an organic, which is not derived from livin...”
- 15:34 “However, this will result into a solution. When the chalk is placed into a water, you have a chalk solution. So, solvent, example of a solvent, is water. Now, in the picture, you see an example of solute. It is like a po...”
Particulate Nature of Matter
The lesson covers the distinction between physical and chemical changes, including examples. It explains the difference between atoms and molecules, describes the arrangement of particles in an atom, and defines atomic number, mass number, and isotopes. The calculation of relative atomic masses of a
- 07:16 “is a chemical change. When you put in your lamp, what comes out of it? A new taste that I useful for the body. And carbon dioxide that you breathe out. That's a new substance is formed. That's another chemical change. No...”
- 00:00 “Hello everyone, my name is Akeredolu O.O. Mrs. I am your chemistry teacher and a lesson for today is "particulate nature of matter at one." At the end of the lesson, the students should be able to distinguish between che...”
- 28:42 “going to the next maximum of eight, the remaining one is three. So, for our evaluation, let's write and complete the electronic configuration of the first twenty elements. So, evaluation, evaluating what we have done, li...”
Definition and Classification of Chemicals
This lesson defines chemicals and explains their various forms, including solids, liquids, and gases. It also classifies chemicals their hazardous nature and discusses safety measures when using them.
- 05:42 “The diagram on the screen is a silicon compound. You can see it is dark gray. This is silicon. It is an element. Now, forms of an element. Elements come in different forms but they all have the same type of atoms. Now, d...”
- 20:22 “Reactants refer to those substances which you use to derive a product. We have lubricants for us lubricating materials. We have coatings. Those coatings are what you use for your electroplating or coating of other elemen...”
- 30:09 “watching. My name is Uche Ugo. Till the next class.”
Oxides of Carbon
This lesson covers the two types of carbon oxides: carbon monoxide and carbon dioxide. It explains their formation, characteristics, and methods of preparation in the laboratory. The lesson also defines the term allotrope and discusses the economic importance of these oxides.
- 35:26 “so you'll find out that for me, they then also measure three metals, basically that are very soluble in water, in the form of the hydro-t transocarbonyl. Thanks for watching, my name is Charles Christopher, till next tim...”
- 33:48 “so for example this is actually used by a manufacturer of glass, so you know, add detergents, okay, so then for this one is deployed in baking powder, or to discharge our carbon-folks, right, so as that helps to reduce t...”
- 19:21 “Carbonate of metal, other than alkaline metals. So, like you can use magnesium, you can use calcium here, all right? Like here, and then use magnesium. These magnesium carbonate will heat it. Then it will actually produc...”
Metals and their compounds
This lesson covers the characteristics of metals, including their ability to lose electrons and form positive ions. It discusses the classification of metals, their physical properties, and examples of common metals such as sodium, magnesium, and aluminum. The lesson also includes information on the
- 20:28 “should be able to answer these questions. Number one, explain the term matters with two examples. All right, so an equation to show how a matter can lose electron or electrons to become positively charged. Then question...”
- 04:06 “loses 2 electrons and aluminum. Here, lost 3 electrons to become aluminum ion. So they found very stable hydrase, which are ionic. They all form electromagnetic chlorides. When we say stable hydrase, hydrase are formed w...”
- 00:00 “Hello everyone. I'm Mrs. Olabimpe Ayoko. I'm here to teach SS 3 chemistry and the topic is Metals and its compounds. So at the end of this lesson, everybody is expected to be able to define Metals with examples. The frie...”
Heat and Temperature
This lesson covers the definitions of heat and temperature, their differences, and the effects of heat on substances. It explains the kinetic molecular theory and how heat causes changes in state, such as solid to liquid and liquid to gas.
- 04:44 “For solid, the atoms or molecules are fixed and devibrates about their main position. The molecules are tightly packed together. That's why they have their ship. They are very strong attractive force, existing between th...”
- 03:55 “So, for that example, we discover that the states are changing. From solid, when it is ice, to liquid, when it is water, and to vapor, when it is gas or steam. Then, one other effect of heat is there is always change, or...”
- 07:05 “There is always an increase in temperature. And this increase in temperature leads to the increase in the average kinetic energy of the molecules. The pressure of a container is determined by the number of times gas mole...”
Solid Minerals in Nigeria
This lesson covers the types of solid minerals found in Nigeria and their locations. It also discusses the importance and uses of these minerals, along with how to draw a map showing their distribution across the country.
- 04:13 “Number three, it is used in the manufacture of sodium chiosocarbonytes for and the formula is written as e2 cu. So this is very important in the manufacturing of soup. So sodium chiosocarbonytes for is important in manuf...”
- 05:52 “when mixed with bronze, it can be used to make coins. Number three, it is used in making ornaments, pots. Number four, it is used in making electrical wires and cables. And lastly, for making water pipes and cylinders. A...”
- 00:49 “distribution of those solid minerals and where they are deposited. Solid minerals. We're talking about solid minerals that are gotten from non-living things. So solid minerals and natural occurring chemical elements or c...”
Properties of Oxygen and Hydrogen
This lesson covers the properties, preparation, and tests of oxygen and hydrogen gases. It explains the role of these gases in the environment and their reactions with other elements. The lesson also includes information on the physical states of oxygen.
- 02:23 “Oxygen forms compounds by reacting with practically any other element. So oxygen can be had with hydrogen and it is going to give you water. So oxygen can react with any element. So oxygen in its normal state from the pi...”
- 07:20 “If you have seen the welders, when they begin to weld, the fire that comes out is as a result of this. It is used in the large-scale production of sintences gases. It is also used for artificial respiration in oxpitu. An...”
- 17:08 “Now, the test for hydrogen. The pop-up test, when it leads tapah, when using a leads tapah, it will produce an audible pop when placed in hydrogen glass, gas. Gases can be produced in the school laboratory when a compoun...”