Crude Oil and Petrochemicals
This lesson covers the definition of crude oil and petrochemicals. It explains the process of refining crude oil and lists the various uses of crude oil and petrochemical products. The importance of crude oil to Nigeria is also discussed.
- 09:05 “this ones are less expensive than the light ones. Now let's look at petrochemicals. Petrochemicals are those products which are obtained from crude oil but not every product are petrochemicals. Why? Because petrochemical...”
- 01:38 “introductory aspects of this teaching. Now we are looking at Nigeria in context and each and every one of you know that Nigeria as a country is a crude oil nation. Very popular we have several mineral resources which we...”
- 18:56 “you in your homes. So those insulating materials help you to prevent contact of your body from the wires which are conductors or conduction materials. Then we also use petrochemicals for making plastic items such as your...”
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.
- 19:34 “is used in hospitals for detecting the sex of a baby. Now, we have agrochemicals. Agrochemicals, as the name implies, are those used for agricultural purposes. We have the fertilizers, the organic manuals. We have the pe...”
- 17:55 “The first one is pharmaceutical chemicals also referred to as cosmetics and drugs actually. We also have the nuclear chemicals. We have the agrochemicals used in agroalite industries. We have industrial chemicals. We als...”
- 21:07 “insulators repair heat or electricity. Then, lastly, laboratory chemicals. They are used in the laboratory to carry out research, findings and investigation or investigative procedures. Now, some of them are oxidizing ac...”
Careers and Applications in Chemistry
This lesson covers various career paths available for students studying chemistry, including roles in education, engineering, and health services. It also explains the applications of chemistry in food production, medicine, military, and environmental science.
- 02:21 “and their lives, which also includes laboratory assistants. The next career part is manufacturing industry. These people are the researchers and chemical engineers. They also involve in manufacturing produce like steel a...”
- 01:34 “compared to non-evalupling environmentally friendly product. The next is forensic chemistry. You can see these people in the aspect of crime. The enabled also investigate crime very well. The next aspect, very important,...”
- 03:08 “that we use in majorly in our farms. The next is medicine. The production of drugs and various medical services as a result of what chemistry. The next application of chemistry is in the military and space science. In th...”
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.
- 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...”
- 07:49 “So, as you can see here, then be collected from this gas jar here, as you can see here. So, now, last quantity of carburetor oxide, all right? is produced by a copy convoxial of carbure compounds like Petru, like we have...”
- 08:34 “So, we're also using the metal of reduction, reduction process. So, of course, you know what reduction is, all right? Carbon for oxide is prepared in the laboratory, all right? By using metal of reduction, okay? So, this...”
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
- 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...”
- 05:33 “petroleum has different fractions, even from crude oil. It has different fractions. And because of that, they are the rate of crude oil that you can get from petroleum. Since '35, for example, pharmaceuticals, or various...”
- 11:49 “in chemical industry, there is need for you to be evaluated. And the first question I would like to ask you is differentiate between the two types of chemicals. I believe you can answer that by now. And I mentioned any t...”
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
- 13:08 “High in the electrochemical series, like I told you earlier, are highly electrovalent compounds, which are very stable and difficult to reduce chemically. So the process of extraction is about reduction. Remember, these...”
- 14:44 “because oxidation takes place at the anode comes to the cathode. That is the electron that is used for cathodic reduction. For example, for electrolysis of pure bobsite, aluminum is obtained free nature in this form as a...”
- 17:11 “very expensive. So this one is preferred, preferred to that one, except that the very reactive methods, you can't both carry out electrolysis on them. So reduction of others. The less electro-positive methods like zinc,...”
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.
- 20:20 “is used for the manufacture of pharmaceutical products and also as a solvent, okay? So for co-ta, co-ta is a mixture of more than 200 different substances, which can be separated by a fraction of distillation, so of cour...”
- 21:57 “To antracite, for example, is used for preparing graphite for the manufacture of citratical petrol by catalytic adrogenation of co-que, so that is how antracite co-que can be obtained, all right? So, now, for the wood, y...”
- 10:51 “Bolly point, very high melting point, as I said that. Okay, now look at uses of damod. Now, the unusual brilliant shine, all right? Of damod makes it an invaluable precious of stone. In jewelry, making jewelry, all the j...”
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.
- 08:21 “are important for men. Coal, coal is found in a new good state and also in benure state. It is of great importance to men and the economy at large. Now what's the use of coal? Number one, it is a source of wear for cooki...”
- 09:10 “iron. And also for benzene, in making of plastics, dyes and explosives. And the last one is phenol for making drugs and antiseptics, etc. You have seen the several minerals that are found in some places in Nigeria. You w...”
- 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...”
Types of Production
This lesson defines production and explains its types, including primary, secondary, and tertiary production. It also discusses the extraction of raw materials and the transformation into finished goods.
- 12:36 “abnormal raw material to be converted to finished product, okay? Production makes it possible for those raw materials to be able to get to that position where one can be able to use them. It brings opportunities to custo...”
- 03:28 “We are going to look at them one after the order. The first one is primary production. This is the early stage of production that involves the extraction of raw materials from the soil, not just soil from the sea, beneat...”
- 02:43 “Like we said that production is getting those raw materials into finished goods and some of the services that has to be provided to make our things to be equal, right? We have types of production, types of production. On...”
Structure of the Nigerian Economy
This lesson covers the nature and structure of the Nigerian economy. It explains the primary, secondary, and tertiary sectors and their contributions to the economy. The lesson also discusses the economic activities in different geopolitical zones of Nigeria.
- 04:01 “crude oil exploration and mining of other mineral resources such as coal, iron ore, granite, tin, limestone, et cetera. Now, the secondary sector, the secondary sector, consists of all the manufacturing industries. That...”
Sources of Energy
The lesson covers different sources of energy, including renewable and non-renewable types. It explains how energy is used in society and discusses the environmental impacts of various energy sources. Specific examples include petroleum, natural gas, solar energy, and wind energy.
- 03:55 “and also in gaseous form. We are told that in liquids, the liquid petrol naturally in reservoir is called the crude oil, which you already know, crude oil, and gas petrol oil is the first as natural gas. How we are told...”
- 03:09 “and we are using firewood, we are using different things. These are part of energy. We have TDAW and ocean energy. Where we get to the B use that word. There are a lot of energy which we don't know about. These are those...”
- 15:38 “We have what the acid drain, we have the global warming. We have the greenhouse effects. We also have the global warming, like I said. We have the oil spillage. Now, we're taking them one after the other. Let's first tak...”
Separation Techniques for Mixtures
The lesson covers various methods of separating mixtures, including filtration, evaporation, decantation, and chromatography. Each technique is explained along with its applications in obtaining pure substances from mixtures.
- 24:10 “of chromatography, paper chromatography, column chromatography, thin layer chromatography, gas chromatography, and a yarn exchange chromatography, the commonest of them and the cheapest of them is the paper chromatograph...”
- 03:58 “If it can be decomposed, if it can be decomposed by it, then you won't apply this method. Probably such as sugar let's 2,000 nitrate, 5, and ion 2/3 of the sea will decompose on it. So they can be used, they can be used...”
- 02:25 “what? Your residue while you obtain your clay solution in the flot, clay solution called filtrate. Sodium chloride solution with some particles of sand can be separated by this method whereby the sand will stand as resid...”
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.
- 09:18 “You can be used for preserving food. You want to preserve your fish or your meat for a long period. Then add the salt to it, and it saves it from microorganisms that will make its perish. No. 3. It is used in the manufac...”
- 00:00 “Good day, everyone! My name is Mr. Ife and I'm your basic science instructor. Our lesson topic says, "Resources from Non-Living Things, Solid Minerals." The lesson objectives are the end of the class student to be able t...”
- 11:38 “The coal is mixed in such a way that when you mix benzene and cold together, it is used in producing dyes, plastics and other explosives. See, phenol for making drugs and antiseptics. This is a map of Nigeria showing the...”
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.
- 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...”
- 16:16 “This mix together, you get the salt and hydrogen gas, which becomes zinc chloride and hydrogen. When this is decomposed, you get zinc chloride and you also get hydrogen. And as a result, hydrogen is being stored in this...”
Factors of Production
The lesson covers the concept of production and its types. It explains the factors of production, division of labor, and specialization. The advantages and disadvantages of division of labor and large scale production are also discussed.
- 03:16 “this level of production that's primary production are commonly referred to as the extractive industries because their work is extraction. So they are getting the minerals out of the ground. They are getting the food out...”
- 02:25 “to consume it, your biscuits is the consumer goods, your notebook is the consumer goods, your uniform, your sandals, those are consumer goods. The moment you pick them up you can use them. Capital goods are those goods t...”